An investigation plan The Chinese intervention in the Korean War changed the rules of the game during the Cold War and was fundamental to the victory of North Korea. Under the leadership of Mao Zedong, over 300,000 “Chinese People's Volunteers” were sent to the battlefield in Korea by the People's Liberation Army to fight for its communist ally. Its impact was immediately evident when American troops were pushed back beyond the 38th parallel. To determine how pre-1951 Sino-American tension triggered Chinese intervention during the Korean War, this assessment's research examines the rise of Mao and his ideology in Communist China, pre-war Sino-American tension, the positions of China and America towards the Korean War. The Korean War and the threat from General MacArthur and the United States which directly caused China's intervention. Word Count: [125]B – Summary of EvidenceRise of Mao Zedong and His Ideology• After the Communists came to power, there was a division among the leaders regarding China's view of the Cold War. Liu Shaoqi favored the USSR and Zhou En-lai favored the USA; Mao Zedong decided to lean towards the USSR. • In June-August 1949, Liu, representing Mao, had a secret meeting with Stalin in Moscow. They agreed that China's primary task would be to promote the “Eastern Revolution,” while the Soviet Union would remain the center of the international proletarian revolution. • Despite stiff opposition from the Western power, Mao's China believed that the “norms of international relations” were of Western origin and hostile to revolutionary China. • Mao introduced the “intermediate zone” theory in the late 1940s. He said China would act in cooperation with the oppressed people in the "intermediate zone" to prevent any persecution by the Western imperialist power. Mao emphasized China's vision of national independence and proclaimed its insistence