Which of the following gives the correct sequence of events describing the collapse of communism in eastern europe in 1988–1989? poland had free elections, czechoslovakia split up, romanians overthrew their government, and the berlin wall fell. gorbachev initiated perestroika, the czechoslovaks introduced reforms, the romanians overthrew their government, and the berlin wall fell. east germans protested, gorbachev allowed glasnost, the berlin wall fell, and czechoslovakia split. gorbachev initiated glasnost, the hungarians introduced reforms, east germans protested, and the berlin wall fell.