How did the Monroe Doctrine articulate U.S. policy toward European powers and hemispheric affairs in the 19th century?

• A. It asserted that European colonization in the Americas was off-limits and that the United States would view such actions as acts of aggression, establishing hemispheric influence.
• B. It supported European colonization and intervention.
• C. It outsourced all hemispheric policy to Britain.
• D. It focused solely on domestic economic reforms in the United States.

Answer: (A)