The Monroe Doctrine (1823)
- Acheck_circle
Declared that European powers should not colonize or interfere in the Americas
- B
Was a domestic policy regulating internal improvements and federal land sales
- C
Established slavery as a permanent national institution across all U.S. territories
- D
Was a religious proclamation defending Protestant missions in Latin America
Explanation
Foundational principle of American foreign policy; backed initially by British naval power.