USSR historian

USSR

the years leading up to Fall of the Berlin Wall were filled with political 
turmoil and a weakining grip of their control on their iron curtain 
countries.  What were the events that weakened the USSR before the fall of 
the Berlin Wall? How did the change in leadership affect the USSR's policy?

Internet Links

http://en.wikipedia.org/wiki/Cold_War

http://news.bbc.co.uk/hi/english/static/in_depth/europe/2001/collapse_of_ussr/default.stm

Other Resources