Turn of events in the Eastern Bloc.

      The year 1989 witnessed an almost unbelievable turn of events in the Eastern Bloc. Discuss those changes. What were the long-term causes? What new problems were created? --Information on the 1989 revolutions - https://schoolhistory.co.uk/notes/revolutions-of-1989/ -- Why did these revolutions happen so fast? https://youtu.be/i66xrfM5EDs