(A) To not allow any Europe nation access to our supplies and resources.
(B) ** Warned Europe nations to not try and establish any colonies in the United States or it will be seen as an act of war.
(C) Not to engage in the worlds problems and focus on building our nation and fixing problems in our country.
EXPLANATIONS BELOW
Concept note-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.