Venezuelan opposition leader María Corina Machado returned on Sunday after more than 10 months abroad, attending Mass in Lara state before a caravan to Caracas.
Trump met Venezuela's interim President Delcy Rodríguez at the UN General Assembly, their first face-to-face talks since a US raid seized Nicolás Maduro.
Washington removed Venezuela and Bolivia from its list of countries failing to demonstrably combat drug trafficking, while Colombia remains decertified.