What Role Has the United States Played in Promoting Democracy

What role has the United States played in promoting democracy in Latin America?

A) The United States has consistently supported democratically-elected regimes in the region, despite disagreements with certain leaders.
B) The United States supported some military coups in the 1960s and 1970s, but was much more supportive of leftist regimes in the 1980s and 1990s.
C) The United States primarily targeted communist Cuba with anti-regime activities and was unconcerned about regimes in the rest of the region.
D) The United States has consistently undermined democratically-elected Latin American governments with which it had differences, backing right-wing challengers and supporting military coups.