History of the Republic of China its remaining islands in Fujian as vital for any future campaign to defeat the PRC and retake mainland China. On 3 September 1954, the First Taiwan Strait Crisis began when the PLA started shelling Quemoy and threatened to take the Dachen Islands. On 20 January 1955, the PLA took nearby Yijiangshan Island, with the entire ROC garrison of 720 troops killed or wounded defending the island. On January 24 of the same year, the United States Congress passed the Formosa Resolution authorizing the President to defend the ROC's offshore islands. The First Taiwan Straits crisis ended in March 1955 when
U.S. immigration policy toward the People's Republic of China United States broke diplomatic relations with the Republic of China with the Taiwan Relations Act and gave Taiwan a separate immigration quota of 20,000 from that of mainland China. This resulted in a massive surge of Chinese immigrants from mainland China due to the renewal of relations of mainland China and the United States. The reasoning behind the legislation was the need for the United States to "normalize" relations with the People's Republic of China or in other words establish some sort of diplomatic relations with Beijing while at the same time maintaining the economic and political ties with the