U.S. backed coups (Bolivia 1964, Chile 1973), supported Contra war (Nicaragua), allegedly aided 2002 Venezuela coup attempt. Created deep distrust.
IMF/World Bank structural adjustment (1980s–90s) imposed austerity, privatization—seen as exacerbating poverty. These nations later pursued resource nationalism (hydrocarbons, minerals).
21st-century "Pink Tide" governments (Morales, Chávez/Maduro, Correa) embraced socialism, regional integration (ALBA), anti-imperialist rhetoric. U.S. promoted free markets, democracy promotion.
Not all citizens oppose the U.S.; many value aid, educational exchanges, trade. Relations fluctuate with administrations on both sides.