Question

What was the main point of the Monroe Doctrine? It declared the Western Hemisphere closed to further European colonization. It advocated for free trade with European powers. It called for the immediate abolition of slavery. It established a military alliance with Great Britain.
GPT-4o mini
The main point of the Monroe Doctrine was that it declared the Western Hemisphere closed to further European colonization. This policy aimed to prevent European powers from establishing new colonies or interfering in the affairs of the newly independent nations of the Americas, asserting that the Americas were the sphere of influence of the United States.