Explain why and how the role of the federal government changed as a result of the civil war with respect to two of the following during the period 1861-1877: race relations, westward expansion, economic development.

After the Civil War, the federal government was very wary of the southern states that had so recently rebelled. In came an era of Reconstruction, in which the federal government forced the South to give equal opporunities to blacks. Of course this didn't last long, and in came Jim Crow laws almost immediately after the Civil War. The South's economic development staggered.

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