I think the answer is
C. France is richer and stronger
The war in the eastern and western front was the same in the sense that both fronts used similar or even the same tactics as at the time of the war, this was the only way how war was being done. On both fronts, there were immense artilery shellings going on together with huge loss of life. However, in the eastern front, one has to add the horrible conditions - extreme cold, rain, winter, etc. to this.
They didn't want to be involved in any (foreign) wars that didn't have anything to do with the United States.
Hopefully this has helped!
<span>Russia was divided into four socialist republics which established the USSR on December 30th, 1922. The republics were the Russian and Transcaucasian Soviet Federated Socialist Republics and the Ukrainian and Belorussian Soviet Socialist Republics.</span>