What problems face the nation in the aftermath of the Civil War?

After the Civil War, the nation was still greatly divided because the South had been devastated physically and spiritually. Besides the destruction of the land, homes, and cities, no confederate soldiers were allowed burial in Arlington Cemetery, and many of their bodies were lost to their families

Explanation:

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation:

d. china

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d is the best choice