The best describes the contributions of frederick douglass during the civil war is : douglass was an abolitionist who encouraged the union to allow african american to enlist
Before his effort, the contribution of African American for the army was limited in the factory, when they labored to create military supply.
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Hey!
The first explorer to locate the Cumberland gap was Thomas Walker.
Answer:
The railroad industry
Explanation:
It was designed to target the railroad industry. That's why railroads became the first industry that could be regulated by the Federal government.