By supporting the Monroe Doctrine, U. S. leaders: A. encouraged Europeans to build colonies in the Americas.
B. pledged to not interfere in Europe.
C. cut off the country from all global trade.
D. promised to support all democratic revolutions.

B.

Explanation:

"Monroe Doctrine, (December 2, 1823), cornerstone of U.S. foreign policy enunciated by Pres. James Monroe in his annual message to Congress. Declaring that the Old World and New World had different systems and must remain distinct spheres, Monroe made four basic points: (1) the United States would not interfere in the internal affairs of or the wars between European powers"

honeslty bro its the same thing