Gorbachev faced many problems to fix as the USSR's economy was poor due to the arms race, people had little freedom and the chernobyl accident damaged their reputation
The fall of the Berlin wall and the end of the Warsaw pact were a symbol of the end of the cold war
Following the fall of the Berlin wall, families were reunited and Germany was one country again, not under control of any superpowers
Gorbachev was blamed by hard-line communists for the end of the warsaw pact
In 1991, a coup was staged against Gorbachev and while he remained in power, the coup damaged his authority
Gorbachev was taken to so much advantage which he could not stand, so he resigned in 1991, which immediately collapsed the Soviet Union
The end of the warsaw pact allowed countries to be independent for the first time in decades. Their economy was no longer for the benefit of the USSR
Following the end of the warsaw pact, europe was reunited and the ' iron curtain ' was lifted
Gorbachev giving the satellite states freedom to govern themselves decreased tensions around Europe, as they would no longer fear the USSR and their past invasions e.g. Hungary and Czechoslovakia
In 1989, Gorbachev refused to help East Germany put down demonstrations, in which people were forcing their way through borders, eventually leading to the fall of the Berlin wall
In 1989, Czechoslovakia went through the ' velvet revolution ', which overthrew the communist government and a new non-communist government was put into place
In 1989, the communist government of Bulgaria, Mladenov resigned and the year later free elections were held