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Manchurian Crisis Overview

Jun 11, 2025

Overview

This lecture covers the Manchurian Crisis of 1931, examining Japan's motives, actions, and the ineffective response of the League of Nations.

Background: Japanese History & Motives

  • Japan was ruled by Shoguns for centuries, keeping the country isolated from the world.
  • In 1853, Commodore Perry forced Japan to open up to international trade, exposing its military weaknesses.
  • After the Meiji Restoration in 1868, Japan rapidly modernized its economy and military using Western models.
  • Japan defeated Russia in the 1905 Russo-Japanese War, showcasing its new power and desire for equal imperial status.
  • Japan sought to acquire colonies for raw materials like coal, oil, and iron, which it lacked domestically.

Road to the Manchurian Crisis

  • In the 1920s, Japan had a civilian government, but the military held true power.
  • In 1931, the Japanese army used the "Mukden Incident" as a pretext to invade Manchuria, claiming to protect their interests.
  • Japan's goals in Manchuria were access to resources and new markets for its goods.

League of Nations Response

  • Both China and Japan were members of the League, complicating the response.
  • The League established the Lytton Committee to investigate, but the process was slow, and Japan consolidated control during the delay.
  • The Lytton Report recommended Japan withdraw, but offered no sanctions or military threats.
  • In response, Japan withdrew from the League of Nations in 1933.

Reasons for League Failure

  • Major powers like the USSR and USA were not League members, limiting effective opposition to Japan.
  • The Great Depression made countries reluctant to impose economic sanctions that could hurt their own economies, especially as the US could continue trading with Japan.
  • Britain feared losing its Asian colonies and did not want military conflict; France prioritized concerns about Germany over distant Asian issues.
  • Other aggressive powers (Italy and Germany) watched the League's inaction with interest.

Key Terms & Definitions

  • Shogun — Hereditary military dictator of Japan who held real power until 1868.
  • Meiji Restoration — Period in 1868 when the Emperor regained power and Japan modernized.
  • Manchuria — Northern Chinese province invaded by Japan in 1931 for its resources.
  • Mukden Incident — Staged event used by Japan as an excuse to invade Manchuria.
  • Lytton Committee — League of Nations group sent to investigate the Manchurian Crisis.
  • Collective Security — Principle where countries act together against aggression.

Action Items / Next Steps

  • Review textbook sections on the Manchurian Crisis and the failures of the League of Nations.
  • Prepare answers for discussion: Why did the League fail to act effectively against Japan?