Explain how communism came to an end in Eastern Europe?

we need to write an essay about this topic.

It changed to socialism, a popular form of economics in Europe. It's a cross between communism and capitalism. There also was a big black market in the Soviet Union anyways. Only around 5% of the population of the Soviet Union belonged to the Communist party.

If you need to write an essay, then pick up your text books and do some research on your own for an answer. Don't try to depend on answers on this forum from people who probably don't know anything about the subject to start with.

Spent too much money on bombs and could not produce enough consumers products for the masses due to a planned economy