What caused the shanghai massacre?

The Shanghai massacre of April 12, 1927, known commonly in China as the April 12 Purge or April 12 Incident, was the violent suppression of Communist Party of China (CPC) organizations in Shanghai by the military forces of Generalissimo Chiang Kai-shek and conservative factions in the Kuomintang

Explanation:

the results of roman expansion produced social conflict and civil war. julius caesar gained power and became a dictator but was then assassinated. the reign of augustus began a long period of imperial rule and peace in the roman empire. rome faced the problems of how to maintain peace, law, and order.

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