Coolidge recognized Mexico's new governments under Álvaro Obregón and Plutarco Elías Calles, and continued American support for the elected Mexican government against the National League for the Defense of Religious Liberty during the Cristero War, lifting the arms embargo on that country; he also appointed Dwight Morrow as Ambassador to Mexico with the successful objective to avoid further American conflict with Mexico.[157][158][159]
Coolidge's administration would see continuity in the occupation of Nicaragua and Haiti, and an end to the occupation of the Dominican Republic in 1924 as a result of withdrawal agreements finalized during Harding's administration.[160] In 1925, Coolidge ordered the withdrawal of Marines stationed in Nicaragua following perceived stability after the 1924 Nicaraguan general election, but redeployed them there in January 1927 following failed attempts to peacefully resolve the rapid deterioration of political stability and avert the ensuing Constitutionalist War; Henry L. Stimson was later sent by Coolidge to mediate a peace deal that would end the civil war and extend American military presence in Nicaragua beyond Coolidge's term in office.