Oklahoma Social Studies USH.C.3.2.F

Social StudiesGrades 9–12Content Standards

The Standard

USH.C.3
Analyze the expanding role of the United States of America in international affairs as the United States of America was transformed into a world power in the late 19th and early 20th centuries.
USH.C.3.2
Evaluate the long-term impact of the United States’ entry into World War I on national politics, the economy, and society.
Examine Wilson’s foreign policy as proposed in his Fourteen Points and reasons for the nation’s return to isolationism highlighted by the Senate’s rejection of the terms of the Treaty of Versailles and the proposed League of Nations.

Oklahoma Academic Standards for Social Studies (2026) · USH.C.3.2

Teacher's field guide

What This Standard Means

What Students Need to Do

Students identify Wilson’s proposals for open diplomacy, national self-rule, and a League of Nations. They explain why some senators feared League obligations could pull the United States into another war. They describe the pullback from foreign commitments without claiming the country ended all foreign involvement.

What Mastery Looks Like

Given short excerpts, a student can connect Wilson’s peace goals to the treaty debate and explain why Article X worried senators. They can explain how concerns about Congress’s war powers and failed compromise led the Senate to reject the treaty. They know the United States did not join the League.

Common Misconceptions

Students may think every senator who opposed the treaty was against peace. Some confuse Wilson’s proposals with the final treaty, which included terms he had not proposed. Others assume the United States stopped all foreign trade and diplomacy after the vote.

How to Assess It

Exit ticket: “Wilson proposed a League to help prevent war. Why did some senators reject the treaty, and what did their vote mean for U.S. membership?”

Lesson moves

Ways to Teach It

  1. Give pairs printed excerpts from Wilson’s points, League Article X, and Lodge’s reservations; have them sort the cards into goals and objections.

  2. Ask students to write: “Why might a senator support peace but reject League membership?” Require one detail from Article X.

  3. Hold a mock Senate vote using support, reservation, and rejection cards; each student gives one reason for their vote.

  4. Put excerpts from League Article X and NATO Article 5 side by side; have students underline each pledge and circle a difference.

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