Answer:
The division of powers between the federal government and the states.
Explanation:
Principle of federalism means that the power of the government in the United States of America is divided between the federal government and the state government. There are duties and responsibilities that is divided between them.
More power is given to the federal government compared to the power of the state government according to this principle of federalism. There is no interference in the working of both the divisions and they work in their own fields.
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The South had always been less enthusiastic about the railroad industry than the North; its citizens preferred an agrarian living and left the mechanical jobs to men from the Northern states. The railroads existed, they believed, solely to get cotton to the ports.