U.S. interventions in Latin America and the Caribbean haven't always gone as planned

An April 1961 file photo shows a group of CIA-backed Cuban counterrevolutionaries after their capture in the Bay of Pigs, Cuba.

President Trump's pressure campaign against Venezuela is the latest in a long saga of U.S. intervention in the region that is rooted in the 1823 Monroe Doctrine — and is a mix of success and failure.

(Image credit: Miguel Vinas)