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Cold war
The Cold war(1947-1991) was a period of military and political tension between the Western Bloc and the Eastern Bloc dominated by the USSR. Military conflict was avoided because the use of nuclear weapons would mean mutually assured destruction.
冷战的贡献者
Cold war
战略防御倡议 (SDI)
军事; 冷战
致力于寻找技术来摧毁传入洲际导弹反导研究计划。它始于 1983 年后里根的"星球大战"演讲中,他呼吁全国科学社会"给我们呈现这些核武器无能和过时的手段。,。。" ...