Mikhail Gorbachev's policies refer to the series of political and economic reforms implemented by the Soviet leader from the mid-1980s aimed at revitalizing the Soviet Union. These policies included glasnost (openness), which promoted transparency and freedom of expression, and perestroika (restructuring), which sought to reform the economy by introducing elements of capitalism. Together, these initiatives played a crucial role in the ending of the Cold War by fostering greater communication between the East and West and leading to the eventual dissolution of the Soviet Union.