List three ways in which the railroads helps North Carolina make progress as a state which one was important !!!

North Carolina Railroad's financial success made some wonder whether politicians and their friends unduly benefited from the railroad’s construction. For instance, the North Carolina Railroad passed through Hillsborough, Salisbury, and Concord--all three, hometowns of politicians, who strongly supported the construction of the railroad.

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answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;

this is a false claim the emancipation proclamtion freed all slaves in the rebillion states