What American government agency was involved in trying to keep anticommunist governments in power?

The American government agency involved in trying to keep anticommunist governments in power was the Central Intelligence Agency (CIA). During the Cold War, the CIA conducted covert operations, including coups and support for authoritarian regimes, to counter the spread of communism globally. This was part of a broader U.S. foreign policy strategy aimed at containing Soviet influence and promoting stability in regions deemed critical to American interests.