What are the names of the armies that fought each other in the russian revolution

The Red Army and the White army.

Explanation:

The two largest combatant groups were the Red Army, fighting for the Bolshevik form of socialism led by Vladimir Lenin, and the loosely allied forces known as the White Army, which included diverse interests favoring political monarchism, economic capitalism and alternative forms of socialism.

d. it was created with the idea that it could be easily revised if it was ineffective