Write an essay in which you discuss the political and economic shifts that took place between 1970 and the collapse of Communism in Eastern Europe. What developments help explain these shifts towards neo-liberal policies in Western Europe and away from Communism in Eastern Europe. Who were some of the key individuals involved and what did they do?  Explain and illustrate. You will need to include material relating to context, concepts, and background, and use terms and explanations that illustrate key points, and draw conclusions. Useful Terms: Dtente, Ostpolitik, Willy Brandt, Helsinki Accords, Afghanistan, SALT talks, OPEC, Stagflation, Helmut Kohl, Margaret Thatcher, Gorbachev, Perestroika, Glasnost, Solidarity, Yeltsin