USA HISTORY

Detailed explanation-1: -The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.

Detailed explanation-2: -Application and extension of the Monroe Doctrine. The Monroe Doctrine, in asserting unilateral U.S. protection over the entire Western Hemisphere, was a foreign policy that could not have been sustained militarily in 1823.

Detailed explanation-3: -The Monroe Doctrine became a foundation piece of American foreign policy and helped solidify a new American identity to the world. In declaring the Western Hemisphere unavailable to European interference, it also warned that the United States would interpret any foreign involvement there as aggression.

Detailed explanation-4: -The Monroe Doctrine had been sought to prevent European intervention in the Western Hemisphere, but now the Roosevelt Corollary justified American intervention throughout the Western Hemisphere.

Detailed explanation-5: -The Monroe Doctrine initially represented an isolationist foreign policy for the United States. Yet critics point out that it contained no promise that the United States would not engage in what it was damning European powers for–intervening in Latin America.