Answer: The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population.
Explanation:
nationalism, imperialism, militarism , and forming allies
Answer: b. III, II, IV, I
Explanation:
Be wanted to make sure Congress knew he was not going to use war to enforce his doctrine
