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 my is a because if you do invest in something it needs to be in demand for people to want it
Answer:
Muslim mathematicians calculated the time of day needed to pray five times daily
Explanation: