This warned European countries that the US would not tolerate European interfearence in the Americas. a
Convention of 1818
b
Adams-Onis Treaty
c
Treaty of 1820
d
Monroe Doctrine

The correct answer is D - the Monroe doctrine.

Explanation: this was a message from the president James Monroe in December, 1823. This doctrine warns that the United States would not tolerate further colonization or puppet monarchs by the European nations

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