• for much of its history → Korean Peninsula → controlled by neighbouring countries → like China and Japan → partly because of its strategic position in East Asia

Japan → was rising power in Asia → in late 19th and early 20th centuries → aggressively extending its control over the region.

  • 1905 → Korea became a protectorate of Japan
  • 1910 → Japan annexed Korea

Japanese → ruled Korea → with iron fist.

  • Police + military → had total power → Koreans had very few rights.

→ there was great deal of resentment towards Japanese.

  • though it was difficult + dangerous to oppose Japanese rule → some Koreans resisted

Despite crushing resistance movements brutally → Japanese continued to fight against them through 1920s and 1930s.

  • still it proved impossible to undermine Japanese control of Korea

Resistance to Japanese rule → intensified with outbreak of WWII.

  • some resistance movements → had support of communists in China and USSR.
  • resistance groups → were courageous + committed → but still failed → to make much of an impact on Japanese rule.

With differing aims and ambitions for an independent Korea → different groups were deeply divided.


One resistance group → led by Kim II Sung → particularly important.

  • Kim was deeply committed communist → who had been trained in political and military thinking in the USSR.
  • His forces → fought tenacious guerrilla war → against the Japanese → until they were forced to flee to communist controlled areas → in China → 1939
  • this struggle → proved to be important later → helped Kim gain support of North Koreans after war

As WWII neared end in 1945 → Japanese were facing defeat → by allies. leaders of allies → met at Potsdam Conference, July-Aug 1945

  • agreed that Korea should eventually be given full independance.
  • did not specify what form this independance would take

Allies agreed → that once Japanese defeated → Korea would be temporarily occupied → until arrangements for new govt could be put in place . US forces → would govern southern part of Korea Soviet troops → govern northern part of Korea. dividing line would be the 38th parallel