The spectre of 'Communism' was used to justify the expansion of American global leadership throughout the twentieth century.
Nowhere was this more evident than in their 'backyard' of Latin America.
The fear and hysteria created by the perceived communist menace justified the demonization of democratic reformers, the mischaracterization of political unrest, the overthrow of democratic regimes, the prolonged support of military dictatorships and the continued political and economic subservience.