Question

The Monroe Doctrine (1823) COULD have been used in response to which of these events?

a. the French invasion of Mexico by Napoleon III
b. the secession of South Carolina from the Union
c. the removal of Indian cultures from the American west
d. the war with Mexico for control of the American southwest

Answer 1

A. The French invasion of Mexico by Napoleon lll.
The Monroe Doctrine stated that conquering nations will not be permitted to expand their influence in the Western Hemisphere.