Which alliance was formed as a response to NATO and was named after the Polish capital?

The Warsaw Pact was formed in 1955 as a collective defense treaty among the Soviet Union and seven other Eastern European socialist republics, in direct response to the formation of NATO in 1949. The name reflects the pact's origin in Warsaw, Poland, where the agreement was signed. This military alliance was intended to counter NATO's influence and ensure mutual defense among member states during the Cold War. The Warsaw Pact exemplified the division between Eastern and Western blocs, solidifying the geopolitical landscape of the era.