Both the United States and the Soviet Union are "superpowers" in the world. In order to compete for world hegemony, the two countries and their allies have fought for decades. During this period, although there were serious differences and conflicts, both sides tried their best to avoid the outbreak of a large-scale world war (World War III), and their confrontation was usually carried out by "cold" means such as local proxy war, science and technology and arms race, space competition and diplomatic competition, that is, "mutual containment" without resorting to force, so it was called "Cold War". The cold war is mainly manifested in the confrontation between two major military groups headed by the United States and the Soviet Union. The struggle between the two superpowers, the United States and the Soviet Union, is the main source of long-term turmoil in the world. The strength of the two military groups is equal, and no one dares to use force easily. Both the United States and the Soviet Union have stored a large number of nuclear warheads and promised each other to destroy them. After two world wars, people all over the world longed for peace and opposed war. Impact 1. The Cold War brought about long-term opposition and confrontation between the United States and the Soviet Union and between the East and the West, hindered the development of global integration, and also split Germany, North Korea and China, triggering local wars. 2. In the cold war environment, the United States and the Soviet Union are evenly matched. For half a century, the outbreak of a new world war (World War III) has been avoided. 3. Countries with different social systems learn from each other in different degrees in the long-term existence process and use them for internal adjustment and reform, which promotes the overall development of the world. 4. Facing the confrontation of the bipolar pattern, developing countries in Asia, Africa and Latin America formed the Non-Aligned Movement (Group of 77), and gradually developed and expanded, thus the Third World emerged.

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