I believe that the movement and faith you're referring to here is Christianity.
One of the major beliefs in Judaism is that Messiah will come: and the new movement believes that the Messiah has come, and that this is Jesus Christ.
The old belief was not to be reconciled with the new one (how can one wait for the Messiah if he has come already?) and the new movement had to split out: today it's the religion, Christianity.
Answer:
To sum everything up: Significant foreign aid, being one of two superpowers after WWII, having economic growth so people tolerated totalitarianism and finally manpower, resources and nuclear weapons (thanks to an extensive spy network) is what allowed the Soviet Union to grow so powerful.
Explanation:
Its would be (B) relative location good luck!