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How did World War I end, and why did the United States reject the Treaty of Versailles and the League of Nations?

Analyze Wilson's Fourteen Points, the Treaty of Versailles, the debate over the League of Nations, and the US return to isolationism (TEKS US History RC3 Government and Citizenship; RC1 History).

A STAAR-level answer on the end of World War I for the Texas US History EOC: Wilson's Fourteen Points, the Treaty of Versailles, the Senate debate over the League of Nations, why the United States rejected the treaty, and the return to isolationism, with worked stimulus questions.

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  1. What this topic is asking
  2. Wilson's Fourteen Points
  3. The Treaty of Versailles
  4. The fight over the League
  5. Rejection and isolationism
  6. Try this

What this topic is asking

World War I ended in 1918, and the peace that followed shaped the rest of the century. The TEKS want you to explain Wilson's Fourteen Points, the Treaty of Versailles, the fierce Senate debate over the League of Nations, why the United States rejected the treaty, and the resulting return to isolationism. This is a Reporting Category 3 (Government and Citizenship) topic (it turns on the Senate's treaty power) with strong History ties.

Wilson's Fourteen Points

The Treaty of Versailles

The European Allies, who had suffered enormously, wanted to punish Germany, not follow Wilson's generous vision. The resulting Treaty of Versailles (1919):

  • forced Germany to accept full blame for the war (the "war guilt" clause);
  • imposed heavy reparations (payments) on Germany;
  • stripped Germany of territory and colonies and limited its military;
  • created the League of Nations (Wilson's one major success in the treaty).

The harshness of the treaty bred deep German resentment, a grievance later exploited by Adolf Hitler.

The fight over the League

Under the Constitution, a treaty needs a two-thirds vote of the Senate. Many senators, led by opponents such as Henry Cabot Lodge, objected to the League: they feared that membership would obligate the United States to fight in future foreign wars without a vote of Congress, surrendering its independence. Wilson refused to compromise, and the Senate rejected the treaty.

Rejection and isolationism

Try this

Q1. State the main goal of Wilson's Fourteen Points. [1]

  • Cue. To build a lasting peace, including a League of Nations to prevent future wars (with principles such as self-determination).

Q2. Explain why the US Senate rejected the Treaty of Versailles. [2]

  • Cue. The Senate, which must approve treaties by a two-thirds vote, mainly opposed joining the League of Nations, fearing it would commit the United States to future foreign wars without Congress's consent, so it refused to ratify the treaty.

Exam-style practice questions

Practice questions written in the style of TEA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.

STAAR (US History, style)1 marksPresident Wilson's main goal for the postwar world, expressed in his Fourteen Points, was to
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A single-select item (Reporting Category 1, History; Category 3, Government).

Correct answer: to build a lasting peace, including a League of Nations to prevent future wars.

Markers reward identifying Wilson's vision of a peaceful postwar order centered on the League of Nations and principles such as self-determination. Distractors about punishing Germany harshly describe the European Allies' aims, not Wilson's idealistic goals.

STAAR (US History, style)2 marksPart A: Why did the United States Senate refuse to ratify the Treaty of Versailles? Part B: Explain how this decision reflected a return to isolationism.
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A two-part evidence-based item (Reporting Category 3, Government and Citizenship).

Part A (1 point): the Senate rejected the treaty mainly because it opposed joining the League of Nations, fearing that membership would drag the United States into future foreign wars without congressional consent.

Part B (1 point): explain that by staying out of the League and the treaty, the United States chose to avoid entangling alliances and foreign commitments, returning to a policy of isolationism in the 1920s.

Markers reward the constitutional and political objection to the League in Part A and the link to isolationism in Part B.

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