Joseph Stalin: The leader who played a significant role in shaping Soviet Russia through his policies like collectivization and industrialization.
Cold War: A period marked by tension between Western capitalist countries (led by the United States) and Eastern communist countries (led by the USSR), including proxy conflicts and nuclear arms race.
Glasnost and Perestroika: Policies introduced by Mikhail Gorbachev in the 1980s to reform the Soviet Union, leading to increased openness and restructuring of the economy.