<Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The history of communism encompasses a wide variety of ideologies and political movements, sharing the core theoretical values of collective ownership of wealth, economic enterprise and property . </P> <P> Most modern forms of communism are grounded at least nominally in Marxism, an ideology conceived by noted sociologist Karl Marx during the mid nineteenth century . Marxism subsequently gained a widespread following across much of Europe, and throughout the late 1800s its militant supporters were instrumental in a number of failed revolutions on that continent . During the same era, there was also a proliferation of communist parties which rejected armed revolution, but embraced the Marxist ideal of collective property and a classless society . </P> <P> Although Marxist theory suggested that the places ripest for social revolution--either through peaceful transition or by force of arms--were industrial societies, communism was mostly successful in underdeveloped countries with endemic poverty such as the Russian Empire and the Republic of China . In 1917, the Bolshevik Party seized power during the Russian Revolution and created the Soviet Union, the world's first Marxist state . The Bolsheviks thoroughly embraced the concept of proletarian internationalism and world revolution, seeing their struggle as an international rather than a purely regional cause . This was to have a phenomenal impact on the spread of communism during the twentieth century, as the Soviet Union installed new communist governments in Central and Eastern Europe following World War II and indirectly backed the ascension of others in the Americas, Asia and Africa . Pivotal to this policy was the Communist International (also simply known as the Commintern), which was formed with the perspective of aiding and assisting communist parties around the world and fostering revolution . This was one major cause of tensions during the Cold War, as the United States and its military allies equated the global spread of communism with Soviet expansionism by proxy . </P>

Who came up with the idea of communism