Which quotation from James Monroe BEST reflects the policy that became known as the Monroe Doctrine?
A. "With the indian tribes it is our duty to cultivate friendly relations and to act with kindness and liberality in all our transactions."
B. "The American continents . . . are henceforth not to be considered as subjects for future colonization by any European powers."
C. "We must support our rights or lose our character, and with it, perhaps, our liberties."
D. "To secure us agianst these dangers our coast and inland forntires should be fortified."