Geography of Taiwan and Green Island to the southeast, separated from the northernmost islands of the Philippines by the Bashi Channel. The islands of Kinmen and Matsu near the coast of Fujian across the Taiwan Strait have a total area of ; the Pratas and Taiping islets in the South China Sea are also administered by the ROC, but are not part of the Taiwanese archipelago. The island of Taiwan was formed approximately 4 to 5 million years ago at a complex convergent boundary between the Philippine Sea Plate and the Eurasian Plate. In a boundary running the length of the island and
Presidency of Dwight D. Eisenhower States and seven other countries created the Southeast Asia Treaty Organization (SEATO), a defensive alliance dedicated to preventing the spread of Communism in Southeast Asia. In 1954, China began shelling tiny islands off the coast of Mainland China which were controlled by the Republic of China (ROC). The shelling nearly escalated to nuclear war as Eisenhower considered using nuclear weapons to prevent the invasion of Taiwan, the main island controlled by the ROC. The crisis ended when China ended the shelling and both sides agreed to diplomatic talks; a second crisis in 1958 would end in a similar fashion. During