League of Nations Weaknesses
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League of Nations Weaknesses
The League’s design and limits
The League of Nations was established after the First World War to promote peace through collective security: members were expected to work together against aggression. It had no armed forces of its own, so it depended on member states to provide military support. The United States never joined. Important decisions often required unanimity, making agreement difficult. The League could recommend sanctions, but members did not always apply them fully, and non-members could continue trading with an aggressor.
MANCHURIAN CRISIS | 1931–33 Japan invaded Manchuria in 1931. The League investigated and issued the Lytton Report, which condemned Japan’s actions. The process took over a year. Japan rejected the report and left the League in 1933. The League did not use military force to remove Japanese troops.
ABYSSINIAN CRISIS | 1935–36 Italy invaded Abyssinia (modern Ethiopia) in 1935. The League imposed economic sanctions, but they did not include vital materials such as oil, and the Suez Canal remained open to Italian ships. Britain and France were reluctant to take stronger action. Italy conquered Abyssinia and left the League in 1937.
- 1918
- 1919
- 1920
- 1921
- A single member could delay or block agreement.
- The League could automatically send troops.
- Only the United States could vote.
- Members had to leave after one disagreement.
- No League army
- United States did not join
- Unanimity for important decisions
- Sanctions were incomplete
- Agreement could be slow or blocked.
- The League depended on members willing to use force.
- An aggressor could still obtain important supplies.
- The League lacked the support of a major economic and political power.
- Oil was not included and the Suez Canal remained open.
- The League immediately sent an army to Abyssinia.
- The United States imposed a complete trade embargo.
- Italy accepted the sanctions and withdrew.
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