It was "Trotsky" who welded the new Red Army into a disciplined fighting force, although his efforts would prove ultimately to be in vane since he was later persecuted for being a traitor to the state.
Well a number of things but most likely, the resources would go down but probably not by much. I hope this as helped :D
The main reason was because of over population in a small confined area. They also moved father out west so they could get more materials or supplies.