The document summarizes the collapse of the Soviet Union and the legacy it left behind. It discusses the power struggle that emerged between Gorbachev and Yeltsin in 1991. It describes the failed coup attempt in August 1991 and the dissolution of the USSR by the end of that year. The summary also outlines some of the major issues that arose in the aftermath, including control of the former Soviet Union's nuclear arsenal, ethnic tensions between groups, and conflicts like the war in Chechnya. Political changes in Russia in the 1990s under Yeltsin are also summarized.