Because they got tired of oppressing south.
South was also tired of military rule. As the South got more and more upset about the military rule, North came under more pressure to end it.
The only reason for military rule was protecting the black rights. Most of the North didn't care abot black rights.
This was the reason why reconstruction ended.
Answer:
Specialization in SW Asia Produces oil and natural gas to sell at great profit on the world market. Then they turn around to and use the money made to purchase food AND the technology needed to make their agriculture system more efficient
Explanation:
The Santa Maria did not make it back.
C. It increased Aztec wealth by allowing merchants to freely travel across the empire.