Answer: C. that it lacked the resources needed to maintain control over its satellite states.
Step-by-step explanation:
The Soviet Union began to lose control of the Eastern Bloc countries. It was a period of disintegration of communist regimes in Europe. The Soviet Union no longer had the capacity to maintain control over individual countries to which they had previously extended their influence. In such circumstances, the socialist systems in Europe collapsed, and the fall of the Berlin Wall was one of the greatest symptoms of disintegration.