After World War II, why did the USSR want to control countries in Eastern Europe?

In USSR there was a very strong belief in the world Communist revolution. It was viewed as a historical law, i.e. inevitable. Moreover Eastern European Communist parties were controlled by USSR already before WW II.

Explanation: exportation of the revolution was one of the first things Communists thought about. They viewed themselves as pioneers freeing enslaved proletarian from the hands of bourgeoisie.

answer is 1935

because gandhi led a march the sea in 1930 and 5 years later he did it again

c or d both can be the answer