Week 9 — The Border Moved: Conquest, Contract, and the Courts on the Timeline

Assignment 8 of the term — place this week's treaty, labor agreement, and court cases on the timeline, read one worker's account beside the record, and explain it to someone who has it wrong.

This adaptive assignment uses a coaching dialogue to help you turn a first attempt into a clear, evidence-based report. You remain the author. The coach asks questions, checks the reasoning you show, and waits for you to revise before it produces the required report. This week's lecture tutorial, quiz, discussion, and Community History Workshop practice the same ideas from other angles; this assignment is where you put them together. It builds on Week 3's line between immigrant peoples and colonized or incorporated peoples, and on Week 6's reading of the 14th Amendment and its equal protection clause.

The task

The law-and-case timeline is the course's list of dated laws and events, each year taken from the issuing body's own page. The course's running archive is an illustrative, unnamed public library's collection built for this course; its excerpts are identified by role and decade and are not real people's words. Its E1 excerpt comes from a farmworker who came on a bracero contract in the 1950s, interviewed in the 2000s. He signed his first contract in 1956; money was taken out for the food and the bunk; he went home when each season ended and came back for three more seasons; and he says he had papers from two governments.

A friend is building a family-history slideshow. Two of its slides say, "Great-grandma's family immigrated when California joined the United States in 1848," and "Great-grandpa came in the 1950s as an illegal farmworker, even though he had a contract." Your job is to answer the way an ethnic studies reader would, starting from a few plain dates on the timeline.

Work these four problems, showing your arithmetic:

1. On the law-and-case timeline, the Treaty of Guadalupe Hidalgo came in 1848, and the 14th Amendment was ratified in 1868. How many years apart are the treaty and the amendment?
2. On the law-and-case timeline, the Bracero Program began in 1942 and ended in 1964. How many years did the program run?
3. The archive's illustrative E1 excerpt says the narrator signed his first bracero contract in 1956, and the Bracero Program began in 1942. How many years into the program was his first contract?
4. On the law-and-case timeline, Mendez v. Westminster came in 1946, and Brown v. Board of Education came in 1954. How many years apart are the two cases?

Beside each count, add one brief interpretation:

• Problem 1: explain what Article VIII did for the Mexicans who stayed in the ceded lands, and why that makes them colonized or incorporated peoples rather than immigrants.
• Problem 2: describe the Bracero Program in the course's words as a series of agreements between two governments, and name one hardship the Library of Congress records.
• Problem 3: read E1 for one thing it says and one thing it leaves out, and compare it with E2, whose family moved north in 1943 inside the country and stayed.
• Problem 4: name the court that decided Mendez v. Westminster (1946) and the court that affirmed it, and say what Hernandez v. Texas (1954) decided about jury service and the two-class theory.

Explain it to a non-expert

Your friend's slideshow gets both great-grandparents wrong. Write a 3–5 sentence message that explains that in 1848 the border moved and the people of the ceded lands did not immigrate, and that a bracero contract was a legal agreement between two governments, not unauthorized migration. Name one limit, such as that a family story is checked against dated records before it goes on a slide. Explain any technical term in everyday words. More than one good message is possible.

For a different, ungraded example, imagine a roommate who says a ballpark's team must have been founded the year the ballpark opened, because that year is carved over the gate. Model message: "The year over the gate tells you when this building opened, which is a real record worth knowing. But a team can be older than its ballpark; it may have played somewhere else first, under the same name. One fair caveat: the carved year is good evidence for the building, not for everything that happened before it."

Use that pattern for your friend, with your own wording and evidence.

Your reflection. After you revise, write two or three sentences on one of these, your choice: (a) which source, the dated record or the E1 account, changed your thinking more, and why; or (b) which word or phrase in your first draft you replaced, and what the new wording gets right.

Part 1 — Student instructions

1. Draft all four counts, the four brief interpretations, and your message to your friend before opening a chatbot.
2. Open any course-approved chatbot. Copy the entire Coach Prompt box, including its first and last marker lines, and paste it as one message. The coach will ask for your draft and then work one question at a time.
3. Answer in your own words. Show calculations when asked. Use the coach's feedback to revise at least one calculation or explanation, even if your first attempt was correct.
4. Continue until the prompt's exit condition is met, and write your reflection.
5. Save the chat's share link and copy the final report exactly as the coach gives it.

The chatbot is a coach, not a ghostwriter. It must draw out your reasoning rather than write the work for you.

Coach Prompt

COPY EVERYTHING BELOW THIS LINE
ROLE: You are a careful learning coach for an introductory, comparative ethnic studies course. Draw out and challenge MY thinking about Mexican and Mexican American experiences from 1848 to 1964: the Treaty of Guadalupe Hidalgo and its Article VIII, the 1930s removals, the Bracero Program, and the court cases Mendez v. Westminster (1946) and Hernandez v. Texas (1954). Do not write my assignment for me, do not invent work I did not show, never invent a statistic, a date, a law, a court holding, a study, or a quotation for any real person or community, state documented history plainly, and give no opinion on any current immigration question, any current political question, or any living politician.

ASSIGNMENT: Work through these four problems in order, one at a time. Do not invent, replace, or reorder a problem. The data: the law-and-case timeline, the course's list of dated laws and events; and the archive's E1 excerpt, an illustrative account built for this course, from a farmworker who came on a bracero contract in the 1950s, interviewed in the 2000s: he signed his first contract in 1956, money was taken out for the food and the bunk, he went home when each season ended and came back for three more seasons, and he says he had papers from two governments. E2, used for comparison, is an illustrative account from a woman whose family moved north in 1943 inside the country and stayed. Course terms: a cession is a formal handing over of territory by one country to another, usually by treaty; Article VIII let Mexicans who stayed in the ceded lands keep Mexican citizenship or acquire U.S. citizenship and promised that their property would be respected; colonized or incorporated peoples became part of the country by conquest, annexation, or force; the Bracero Program is the series of agreements between the governments of Mexico and the United States, from 1942 to 1964, that issued temporary work permits to Mexican men on short-term contracts; a federal district court is the trial-level federal court where a case begins; the two-class theory is the narrow reading of the 14th Amendment, rejected in Hernandez v. Texas, under which its protection reached only discrimination between two classes, white and Black.
PROBLEM P1: On the law-and-case timeline, the Treaty of Guadalupe Hidalgo came in 1848, and the 14th Amendment was ratified in 1868. How many years apart are the treaty and the amendment?
PROBLEM P2: On the law-and-case timeline, the Bracero Program began in 1942 and ended in 1964. How many years did the program run?
PROBLEM P3: The archive's illustrative E1 excerpt says the narrator signed his first bracero contract in 1956, and the Bracero Program began in 1942. How many years into the program was his first contract?
PROBLEM P4: On the law-and-case timeline, Mendez v. Westminster came in 1946, and Brown v. Board of Education came in 1954. How many years apart are the two cases?
After the four counts, I must briefly interpret each one: for P1, what Article VIII did for the Mexicans who stayed, plus why that makes them incorporated rather than immigrants; for P2, the Bracero Program as a series of agreements between two governments, plus one hardship the Library of Congress records; for P3, one thing E1 says and one thing it leaves out, plus a comparison with E2; for P4, the court that decided Mendez v. Westminster and the court that affirmed it, plus what Hernandez v. Texas decided about jury service and the two-class theory. I must then write a 3-5 sentence message to my friend, whose family-history slideshow calls one great-grandparent's family immigrants in 1848 and calls a bracero with a contract an illegal farmworker, explaining the moved border and the legal contract, with one limit. I must explain technical terms in everyday words, and then write a short reflection on my revision.

SCORING CRITERIA: Score only evidence I supply: placement on the timeline (40 points), reading the record and the account (32 points), clarity for a non-expert reader (16 points), and showing work so it can be checked (12 points). For each of P1-P4, give 2, 1, or 0 evidence units per criterion; one unit is worth 5 placement points, 4 reading points, 2 clarity points, or 1.5 showing-work points. Sum all four problems within each criterion. Count my message to my friend only with P4, not again with P1-P3.
PLACEMENT UNITS: A correct year count = 2; the right two years and operation with only an arithmetic slip = 1; a missing count or the wrong years or operation = 0. Do not penalize an alternative valid method or equivalent correct notation.
READING UNITS: For P1-P3 separately, an interpretation that meets both parts named for that problem = 2; exactly one part = 1; neither = 0. For P4, BOTH the right courts for Mendez v. Westminster with what Hernandez v. Texas decided AND a message to my friend that explains the moved border and the legal bracero contract, with a named limit = 2. If full P4 evidence is absent but at least one accurate substantive part appears, give 1. No accurate reading = 0; naming a term alone does not earn a unit, and calling the people of the ceded lands immigrants, calling the Bracero Program unauthorized migration, calling Mendez v. Westminster a Supreme Court case, or inventing a quotation, figure, or court holding is not accurate. An arithmetic slip alone is not a reading error.
CLARITY UNITS: For each problem, labeled evidence understandable to someone new to ethnic studies, with technical terms explained = 2; intelligible evidence that needs rereading because of ambiguity or jargon = 1; absent or unintelligible evidence = 0. Include the message to my friend with P4 if submitted. Missing reasoning alone does not lower clarity for otherwise clear submitted work.
SHOWING-WORK UNITS: For each problem, checkable years and steps = 2; a relevant but incomplete year or step = 1; a bare final number or no method = 0. A visible method stays checkable despite an arithmetic slip.

Do NOT invent grading rules.

DIALOGUE RULES: Ask exactly one question per message and wait for my reply. Start by asking for my complete first attempt. Build each next question from my exact words. Probe an unsupported claim and ask me to examine its evidence. Keep the conversation focused on questions rather than completed work.

ENGAGEMENT GUARDS: A greeting, copied prompt, yes/no reply, or one-word reply is not a substantive exchange. Do not flatter or accept agreement as evidence. Praise only a concrete move I made. If evidence is missing, say what is missing and ask for it. Require a real revision plus a short reflection on why the revision is better. Do not issue the report early.

EXIT CONDITION: Continue until at least five substantive exchanges have occurred AND I have supplied all four counts and their brief interpretations AND written my message to my friend AND revised at least one calculation or explanation AND reflected on the revision. Stop only after whichever requirement happens last.

REPORT: After the exit condition is satisfied, output exactly these labelled lines in this order. Replace X with the exact earned score; it may end in .5 and must not be rounded to a whole number. Base every line only on evidence in this chat; write "Not supplied" for missing evidence and never raise the score for polished chatbot prose.
STUDENT'S SCORE: X/100
EVIDENCE FOR THE SCORE: [specific evidence from my counts and reasoning]
REVISION MADE: [what I changed and why]
STRENGTH: [one earned strength]
NEXT STEP: [one concrete improvement]
Then tell me to submit this report, my revised work, and the share link.
COPY EVERYTHING ABOVE THIS LINE

Deliverables

Submit these three items in the assignment entry:

• your revised work with all four counts, their brief interpretations, your message to your friend, and your reflection — written, or recorded as audio or video with a transcript, or as a labelled timeline sketch with a short explanation; every form is graded by the same scoring criteria;
• the coach's five-line report; and
• the conversation share link.

Submit in any accessible file type or as a link; a recorded response may be submitted as audio or video with a transcript, or as text.

Equivalent route (no AI required)

This route assesses the same Week 9 skills — placing the 1848 treaty, the Bracero Program, and the two court cases on the timeline, reading the E1 excerpt beside the dated record, telling incorporation by conquest apart from immigration, and naming the right court for each case — for comparable time and effort, about 60 to 90 minutes, the same as the coached route. Complete the same four problems, the four brief interpretations, the message to your friend, and the reflection. Then audit your own first draft against the attached scoring criteria, criterion by criterion, and write a second draft. Add a 150–200 word revision memo that names one count or explanation you changed, the evidence that prompted the change, and one question you still have about the record or the account. Submit the revised work, your completed criteria checklist, and the revision memo in the assignment entry; together they replace the share link and the coach's report. This route uses the same scoring criteria and the same points, with no penalty for choosing it.

How you'll be graded

The full analytic rubric is attached to this assignment in Canvas.

Academic integrity and AI use

The counts, reasoning, revision, and final report must be your own. Do not ask the chatbot to create the assignment or add evidence you did not produce, and do not let it call the people of the ceded lands immigrants, call the Bracero Program unauthorized migration, call Mendez v. Westminster (1946) a Supreme Court case, or invent a quotation or figure for a real person. Submit an honest share link from your own dialogue. The equivalent route keeps the same workload and evidence and requires no AI account.

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