Answer:
1-John Deere’s plow
2-farmers no longer needed to harvest hand (McCormick’s reaper)
3-more cotton could be processed more quickly (Whitney’s cotton gin)
Explanation:
John F. Kennedy was warned that the spread of communism had to be stopped
The interpretation of Moctezuma's understanding of human sacrifices is that the gods would punish them if they're not performing enough human sacrifices. He got this understanding when he visited the aztec as an arkeolog in the past
