[A]s a principle in which the rights and interests of the United States are involved, . . . the American continents, by the free and independent condition which they have assumed and maintain, are henceforth not to be considered as subjects for future colonization by any European powers."

Based on the two cartoons and the reading above, how did the Monroe Doctrine establish America's identity to foreign nations?
A.
The Monroe Doctrine told the nations of Europe that they could no longer wage wars in the Americas while telling the nations of South America that they had to cooperate with the United States in order to maintain protection
B.
The Monroe Doctrine told the nations of Europe that they would no longer be importing goods from Europe but told the nations of South America that they were free to import goods from Europe.
C.
The Monroe Doctrine threatened war against Europe and promised to protect the nations of South America as long as they supported the United States in their conflicts of Europe.
D.
The Monroe Doctrine closed the borders of North and South America to immigrants and ordered the nations of South America to accept the United States overflow of immigrants into their countries.

A. The Monroe Doctrine told the nations of Europe that they could no longer wage wars in the Americas while telling the nations of South America that they had to cooperate with the United States in order to maintain protection.