In 1965 to what Latin America nation were U.S. troops sent to prevent a communist regime from overthrowing a U.S.-backed leadership?

In 1965, U.S. troops were sent to the Dominican Republic to prevent a communist regime from overthrowing the U.S.-backed leadership of President Donald Reid Cabral. The intervention was part of a broader strategy during the Cold War to contain the spread of communism in Latin America. The deployment was controversial and sparked debates about U.S. interventionist policies in the region.