The Soviets needed to keep going to Berlin in order to beat the enemy that had attacked them. It was necessary for self-defense. So did the European members of the Western Allies. America got involved because that's what America does, and it's not super obvious that America's involvement was a good or necessary thing.
There's a difference between a violent revolution in your own country as a means of self-liberation and inflicting military destruction on another country because you think you have the right or prerogative to do so. Socialism is also a humanitarian ideology. How do you reconcile socialism with causing death and misery through an unnecessary war?
The Soviets needed to keep going to Berlin in order to beat the enemy that had attacked them. It was necessary for self-defense. So did the European members of the Western Allies. America got involved because that's what America does, and it's not super obvious that America's involvement was a good or necessary thing.
There's a difference between a violent revolution in your own country as a means of self-liberation and inflicting military destruction on another country because you think you have the right or prerogative to do so. Socialism is also a humanitarian ideology. How do you reconcile socialism with causing death and misery through an unnecessary war?