Add more detail, kind sir.
D minimized spread of infection
To my information about my connection and interpretation the answer is c
The First Amendment of the United States Constitution declares, "Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redress of grievances.
Answer:
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 (Nationalist Party, or in Guangzhou and Changsha.[1] The purge led to an open split between left and right wing factions in the KMT, with Chiang Kai-shek establishing himself as the leader of the right wing faction based in Nanjing, in opposition to the original left-wing KMT government based in Wuhan led by Wang Jingwei.