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 area occupied by PRC as "mainland", since it is officially considered still part of the ROC territory but just enemy occupied. In contrast, the pro-Taiwan independence Democratic Progressive Party (DPP) prefer to use the term "China" instead, referring to the PRC, to imply that Taiwan (ROC) is separate from China. Related to this naming and broader national identity issue, the DPP would also like to amend the ROC constitution to limit its scope and territorial description to the Free area of the Republic of China only and rectify the ROC country name to "Republic of Taiwan" instead, thereby eliminating the