Answer:
LABOR SHORTAGES
Explanation:
The U.S. economy of the early 19th century was characterized by labor shortages, as noted by numerous contemporary observers. The labor shortage was attributed to the cheapness of land and the high returns on agriculture.
It began in the 7th century in Mecca. About 600 years after Christianity was founded.
Answer: Its "D" for sure
Answer: Which neighboring city-state conquered the Mayas