how did revolution lead to civil war in russia?

Answer 1

The short answer is that immediately after the end of the First World War, around 1919 and 1920, forces of Capitalism decided to try and destroy the Russian revolution. They send it troops to try and take down the Communist government. Since the USSR was around for the next 70 years, they obviously failed.

Here is a good article on it:
http://en.wikipedia.org/wiki/Russian_Civil_War

Answer 2

it will be stated that any political revolution leads to civil conflict by technique of default. the yankee and French revolutions both brought about civil wars. what's to be observed is the incontrovertible actuality that Russia become already at conflict with Germany and Austria/Hungary so the huge majority of the military become remote from there widely used garrisons. yet another question will be, If Russia become in a peacetime state, might want to there have been a civil conflict. that is likewise to be observed that the military become specially made out of conscript peasants and they were sympathetic to the peasants storming the royal palace.