U.S. immigration policy toward the People's Republic of China bloc. In February 1950, after months of hard bargaining, China and the Soviet Union signed the Treaty of Friendship, Alliance, and Mutual Assistance, valid until 1980. Many Americans were at a loss of what to do in regards to foreign policy concerning mainland China. The debate which took place in the United States as a result of the removal of the Kuomintang and Chiang Kai-shek to the island of Taiwan centered on Republican charges that the Democrats "lost" China. "Without question, the critics had by early 1949 convinced many Americans that Truman was, shockingly, abandoning China, China being equivalent with
Mainland China "the land of the utopian past [and] childhood". Schoolchildren were taught slogans like "Counterattack the mainland!" () and "Save our mainland compatriots from the deepest water and hottest fire!" (). The Taiwanese were also told that they were the guardians of traditional Chinese culture until political reunification. However, democratization on Taiwan has led to the rise of voices which denounced traditional attitudes towards the mainland and the ancestral home system, pressing for Taiwanization, Desinicization, and "Taiwan cultural independence" (). Concurrently, the mainland Chinese economic reform changed the connotation of "mainland China" to one of "primitiveness, nativeness, and raw cultural material