Which document served as a warning to European nations to not try and re-colonize latin America?

The document that served as a warning to European nations against re-colonizing Latin America is the Monroe Doctrine, established in 1823 by U.S. President James Monroe. It asserted that any attempt by European powers to interfere in the affairs of the Americas would be viewed as a threat to the United States, thus discouraging further colonization. The doctrine was a significant declaration of U.S. foreign policy and aimed to protect the newly independent Latin American countries from European intervention.