I believe the answer would be cotton gin because the invention of the cotton gin was able to become more efficient in harvesting cotton.
Both the Maya and the Inca had similar social stuctures;
men and women were to be considered close to equal, though, in some instinces, women were still lesser to men. Both drained swamps and carved terraces for agriculture, which they depended on heavily, like all other ancient civilizations in the Americas.
The Maya and Inca both shared a similar calender system, though, the Inca calender was a bit more complicated, and both civilizations built great stone monuments.
Plus, they practiced metallurgy, sacraficial rituals, and polytheism
The colonists were unwilling to be to be governed without representation.King George remained rigid in his belief that he could dictate to the colonists.
The antiwar protests at Kent State took place on May 4, 1970. The students were protesting the Vietnam War. During the protests, the Ohio National Guard opened fire on the protestors and killed four students. Nine other students were injured. After the incident, a student-led strike closed many college campuses across the country.
Answer:
composition/criticism of the church/exemption from taxes.