Soviet is another word for council. In theory the workers collectively own the means of production (farm, factory, etc.) and decide how to distribute the products. in practice however, the USSR...
The only reason communism has failed is because of human flaw. In communism people are all supposed to share the work and be in the same class. But you get typical people who are just lazy and don't...
After the Berlin Wall was knocked down in 1989, this reunified Germany as one, but also started a revolution in USSR (Soviet Union). In 1991, Gorbechev was forced to give up his power after a coup...