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.
In that time period it called the era of good feelings because James did an amazing job during that period. he also made political differences to disappear and federalist party seemed almost nonexistent.
Hope this helps
You didn't include options but here's the jist - there were many casualties, cities and towns were left in ruins, national identities across Europe were in shambles.
I dont understand wat your saying.