Germany has allowed plenty of our citizens to move there.
Compared to United States, Germany has less strict border Regulation.
This make nations such as Germany or Canada became the hottest immigrant destination for those who seek to come, find new opportunities and compete for the better future
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.