How did the soviet union invade eastern Europe?

Answer 1

The Soviet Union was a part of the Allies in World War 2. At a conference between the Big Three (Winston Churchill - Britain, Franklin Roosevelt - America, and Joseph Stalin - Soviet Union) in Febuary 1945, called the Yalta Conference, it was decided that Germany would be split into four main zones. France, Soviet Union, America, and Britain would each control a zone, and the capital, Berlin, in Soviet territory, would also be split into four. It is interesting to note that the Yalta Conference occured before the defeat of Germany.

Answer 2

They just barged in and took over