Answer:
b
Explanation:
a mass slaughter of people especially
The Monroe Doctrine<span> was </span>important<span> because it stated that the newly independent United States would not tolerate European powers interfering with the nations in the Western Hemisphere, and if the European powers did interfere, then the United States would retaliate with war.
*Hope this helps</span>
Answer:
A.
Explanation:
Most animal exchanges came from the Old World to the New World.