I believe the answer is: The soviets kept their troops in east Germany and occupied it
The existence of soviet union troops allow them to influence east germany's political extend. This lead to a situation when there were two opposite ideologies exist in germany. The eastern Germany that controlled by soviet union adopted a communism ideology while the western Germany that controlled by the Allies adopted a democratic ideology.
There are two main ways the Soviet Union maintain control of east Germany after World War II: through intimidation and violence against the people of East Germany, and be erecting a giant wall (the Iron Curtain) between the east and west.
Collective learning is the ability to learn and transfer knowledge to others, but it is also the ability to use other people to help learn certain material.
