History of the United States (1980–1991) which the nations of the world, East and West, North and South, can prosper and live in harmony." Nationalist agitation in the Baltic States for independence led to first Lithuania and then the other two states, Estonia and Latvia, declaring independence from the Soviet Union. On December 26, 1991, the USSR was officially disbanded, breaking up into fifteen constituent parts. The Cold War was over, and the vacuum left by the collapse of governments such as in Yugoslavia and Somalia revealed or reopened other animosities concealed by decades of authoritarian rule. While there was a certain reluctance among the U.S.
Cold War (1985–1991) Cold War (1985–1991) The Cold War period of 1985–1991 began with the rise of Mikhail Gorbachev as leader of the Soviet Union. Gorbachev was a revolutionary leader for the USSR, as he was the first to promote liberalization of the political landscape (Glasnost) and capitalist elements into the economy (Perestroika); prior to this, the USSR had been strictly prohibiting liberal reform and maintained an inefficient command economy. The USSR, despite facing massive economic difficulties, was involved in a costly arms race with the United States under President Ronald Reagan. Regardless, the USSR began to crumble as liberal reforms proved difficult