Leon Trotsky became Commissar of War and organized it into an efficient military force that defeated the opposition forces in the Russian Civil War.
The Red Army was Lenin's army in the Russian Civil War that broke out after the October Revolution of 1917. The Red Army fought the White Army, eventually routing the White Army forces and establishing Lenin and the Bolsheviks as the power in Russia from then on.
The Bolsheviks.
Stalin was the Commissar of State Control and then the Commissar of Nationalities under Lenin.
Confederate General W. Loring left the US after the end of the US Civil War. He traveled to Egypt and became an officer in the Egyptian army. He and other Civil War veterans helped organize the Egyptian army. He stayed there for nine years.
Yes, the 1917 Revolutions ended in that year; however, after that the Russian Civil War between the Bolshevik Red Army and the opposition White armies soon broke out. The Civil War ended in Bolshevik success in 1920. Lenin died in 1924.
Lenin took power in the October 1917 Bolshevik Revolution, which actually took place in November 1917, but Russia was using the Julian calendar instead of the Gregorian calendar. Lenin's Bolsheviks had control of some parts of the government, but not all The Russian Civil War broke out between the Red Army (Lenin and the Bolsheviks) and the opposing White Army. The Red Army won out in 1920, placing Lenin firmly in power.
Vladimir Lenin led the Bolsheviks during the Bolshevik Revolution.
Lenin created the Union of Soviet Socialist Republics (the USSR or Soviet Union) after the Russian Civil war ended in 1923-1924.
The army supported Lenin and the Bolsheviks, because they were tired of the war against Germany (WW1). Lenin had a small group of intellectuals and revolutionaries who spearheaded the revolution. The peasantry was split in its support between Lenin and the old regime, so there was a Russian Civil War from 1917 to 1923. The communists won.
The Communist leader in the Russian Civil War was Lenin. In the Chinese Civil War it was Mao. In Vietnam, it was Ho Chi Minh.
The KKK
When the Civil War started, there were only about 16,000 men in the Union army.