ASAP PLZ HELP QUICK QUISTION Why was the Monroe Doctrine Important to the United States during James Monroe's presidency?

OA The doctrine helped the United States form a military base that kept European nations at bay.

O B. The doctrine prevented all European nations from declaring war on the United States.

O c. The doctrine allowed the United States to partner with Britain and take control of Florida.

OD. The doctrine enabled the United States to gain absolute power over Latin America.

O E. The doctrine helped to boost American confidence in the United States.​