Answer:
Government in the United States consists of three separate levels: the federal government, the state governments, and local governments
Explanation:
A. Civil rights act of 1964
Well, it decreased the demand of Slave Labor.
Back then, the technology advancement , especially in agricultural sector, significantly increased the total production. This cause the demand of overall labor decreased. The northern US, who utilized more of this advancement more than their southern neighbor, manage to produce hundred times more output than the southern who still depended on their slave labor
To decide which one would have the best power in north America.