What was the main idea of the Monroe Doctrine?
a) It was a proclamation of war between the U.S. and Mexico.
b) It was a warning for European countries to stop colonization in the western hemisphere.
c) It was an agreement to give territories to the Native Americans.
d) It was a list of complaints from the U.S. to European countries.
1 answer
b) It was a warning for European countries to stop colonization in the western hemisphere.