USA HISTORY

Detailed explanation-1: -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-2: -In the history of United States foreign policy, the Roosevelt Corollary was an addition to the Monroe Doctrine articulated by President Theodore Roosevelt in his State of the Union address in 1904 after the Venezuelan crisis of 1902–1903.

Detailed explanation-3: -The doctrine’s greatest extension came with Theodore Roosevelt’s Corollary, which inverted the original meaning of the doctrine and came to justify unilateral U.S. intervention in Latin America.