"Who was president of the USA when Chiang Kai-shek and his National Revolutionary Army fled to Taiwan from mainland China, during the ""House Un-American Activities Committee"" under Senator Joseph McCarthy, and during most of the US involvement in the Korean War?"
Political status of Taiwan outbreak of the Korean War, Truman decided to "neutralize" Taiwan claiming that it could otherwise trigger another world war. In June 1950, President Truman, who had previously given only passive support to Chiang Kai-shek and was prepared to see Taiwan fall into the hands of the Chinese Communists, vowed to stop the spread of communism and sent the U.S. Seventh Fleet into the Taiwan Strait to prevent the PRC from attacking Taiwan, but also to prevent the ROC from attacking mainland China. He then declared that "the determination of the future status of Formosa must await the restoration of security
Chiang Kai-shek to him personally while distributing their literature there during the Second World War. Chiang Kai-shek Chiang Kai-shek (; 31 October 1887 – 5 April 1975), also known as Generalissimo Chiang or Chiang Chungcheng and romanized as Chiang Chieh-shih or Jiang Jieshi, was a politician and military leader who served as the leader of the Republic of China between 1928 and 1975, first in mainland China until 1949 and then in exile in Taiwan. He was recognized by much of the world as the head of the legitimate government of China until the late 1960s and early 1970s. Chiang was an