Which statement best summarizes how us national security policy has changed in latin american countries such as el salvador, chile, and nicaragua?

Cuba’s authoritarian regime assumed power by force in 1959 and has severely restricted fundamental freedoms, repressed political opponents, and violated human rights. The United States imposed an embargo on Cuba in 1960 . . . U.S. policy toward Cuba is focused on encouraging democratic and economic reforms and increased respect for human rights on the part of the Cuban Government.