Why was the United States described as a “police officer” in Latin America under President Theodore Roosevelt?

The Roosevelt Corollary to the Monroe Doctrine claimed that the United States could intervene in Latin American countries if they failed to meet their obligations or engaged in wrongdoing. This led to the idea of the U.S. acting as a “police officer” in the region, so D is correct: Roosevelt said the U.S. would prevent Latin American countries from illegal actions.

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