Respuesta :
To create a counter-balance to the NATO alliance. The Warsaw Pact included all nations in the Soviet Bloc, meanwhile NATO having the rest of the western nations. The Soviet Union wanted to make something equivalent to that.
West Germany was accepted into NATO and re-militarized, Which threatened the Soviet Union. So, the Soviet Union formalized its East European alliance with the Warsaw Pact. This created a counter-balance to the NATO alliance