Which statement correctly describes the soviet union’s relationships with its eastern european neighbors after 1945?

Soviet Union's relationship with its Eastern European neighbors after 1945 is an iron fist. Due to the fact that the Eastern European countries were under of the USSR's influence or boundary of communism which is called the iron curtain  One physical example of showing the way the soviet treats the countries under it's domain is the Berlin wall which the soviets construct to divide Berlin between the allies and their domain.