Triple

Target entity: Japanese invasion of Manchuria
Context triple: [Republican era, significantEvent, Japanese invasion of Manchuria]

• A. Japanese occupation of Manchuria chosen
  The Japanese occupation of Manchuria was Japan’s 1931–1932 military seizure and establishment of the puppet state of Manchukuo in northeastern China, marking a major early step in its expansionist aggression in East Asia.
• B. Japanese invasion of South China
  The Japanese invasion of South China was a major World War II military campaign in which Imperial Japan advanced into and seized key southern Chinese regions, including Guangdong and Guangxi, to secure strategic ports and resources and to weaken Chinese resistance.
• C. Japanese occupation of North China
  The Japanese occupation of North China was the period during the Second Sino-Japanese War when Imperial Japan seized and controlled large areas of northern China, imposing military rule and exploiting the region’s resources and population.
• D. Mukden Incident
  The Mukden Incident was a staged 1931 explosion on a Japanese-controlled railway in Manchuria used by Japan as a pretext to invade and occupy the region.
• E. Japanese occupation of parts of the Russian Far East
  The Japanese occupation of parts of the Russian Far East was a World War I–era and post-revolution military intervention in which Imperial Japan deployed troops to seize and control territory in eastern Siberia amid the chaos of the Russian Civil War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.