CEVAP:

In the late 1950’ the Post-Industrial Wave emerged in the West. The outdated Marxism-Leninism ideology was not able to cope with the growing pressure of the rapid change along the lines of PostIndustrialization world which created powerful sociocultural strains. Starting in Poland, the wave of the Revolutions of 1989 removed the Soviet Union, with its basis in communist doctrine and its huge international system, from the arena of history by the end of 1991.