Answer:
When President Teddy Roosevelt sent a naval squadron to Panama to help it win independence from Colombia, intervened in the Caribbean and Latin America numerous times, and thus expanded the Monroe Doctrine.
Step-by-step explanation:
The Monroe Doctrine, introduced by former President James Monroe in 1823, is a foreign policy from the United States destinated to stop colonization and foreign intervention. It declares that if any political power coming from another continent intends to intervene in either North or South America, it would be seen as hostility towards the U.S.