USSR

USSR was socialist superpower 1922-1991, capital Moscow, 15 SSRs. Eurasian union from Baltic to Pacific, 22.4M km2, 293M people 1991. Known for space Sputnik Gagarin, military, heavy industry, oil gas, collective farms, red flags hammer sickle. Formed after Russian Empire Civil War Lenin Stalin. Ruled by Communist Party, central planning, purges, Gulag, WW2 victory 1945, Cold War vs USA, arms race, Berlin Wall, Afghanistan. Reforms Gorbachev glasnost perestroika 1985, collapsed 1991.