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
Geology of Taiwan Emei Township, Hsinchu County. The second deadliest was a 7.3 quake that ruptured the Chelongpu Fault (車籠埔斷層) on 21 September 1999, known as the "921 earthquake". On 4 March 2010 at about 01:20 UTC, a magnitude 6.4 earthquake hit southern Taiwan. The seismic hazard map for Taiwan by the USGS shows 9/10 of the island as the highest rating (most hazardous). The offshore features include the Kaoping Slope extending off the southwest coast of Taiwan into the South China Sea. This is emerging from the sea over time to extend the island. The Henchung Ridge extends south from the Hengchun