The Monroe Doctrine is associated with which principle regarding European involvement in the Americas?

• A. The United States will not interfere with European affairs
• B. The United States will colonize the Americas
• C. The United States will ally with European powers
• D. The United States will seek to control European trade

Answer: (A)

The key idea is that Europe should stay out of the western hemisphere, and the United States would stay out of European matters. In other words, the Monroe Doctrine places a boundary: European powers should not establish new colonies or interfere in the politics of the Americas, and the United States would refrain from getting involved in European wars or internal affairs. This reciprocal stance—non-interference by the United States in European affairs—best captures the principle about European involvement in the Americas.

That’s why this option fits: it reflects the doctrine’s concern with limiting European influence in the Americas while signaling the U.S. commitment to avoid meddling in European affairs. The other options describe actions (colonizing the Americas, allying with European powers, trying to control European trade) that go against what the Monroe Doctrine actually asserts.