Why was NATO and Warsaw Pact formed who was on each alliance What kind of government dominated the countries in each organization?

NATO, formed in 1949, was created as a collective defense alliance among Western nations, primarily to counter the Soviet threat during the Cold War. Member countries included the United States, Canada, and various Western European nations, which were predominantly democratic. Conversely, the Warsaw Pact was established in 1955 as a response to NATO, comprising the Soviet Union and its Eastern European satellite states, such as Poland, East Germany, and Czechoslovakia, all of which were characterized by communist governments. Thus, NATO was aligned with democratic ideologies, while the Warsaw Pact represented authoritarian communist regimes.