What was significant of the monroe doctrine?

The Monroe Doctrine was a foreign policy statement originally set forth in 1823 which created separate spheres of European and American influence. The United States promised to stay out of European business and told the Europeans to stay out of the Western Hemisphere's business.

The Monroe Doctrine established precedence for American foreign policy in regard to the nations of Europe and their imperialistic desires.

the atm that sounds like it should be the answer

using the scientific method.