What Was the Purpose of the Brezhnev Doctrine

What was the purpose of the Brezhnev Doctrine?

A) It put the world on notice that the Soviet Union was preparing an invasion.
B) It demonstrated that the Soviet Union intended to remain the leader in world Marxism.
C) It forced Eastern European states to choose between communism and capitalism.
D) It was to allow no existing satellite states to become independent.
E) It claimed all Eastern European countries must continue under communism.