Solomon Northup's Twelve Years a Slave provided Northerners 15 (2 points)
a. a extensive way to show the positives in slavery.
b. a rare glimpse into the violence and degradation of the South's slave labor system.
c. a intensive view of what the country would be like without slavery.
d. a one-sided view by a white southern plantation owner.

B. A rare glimpse into the violence and degradation of the South's slave labor system.

Explanation:

Solomon's book had been a revolutionary and quite gruesome exposing on the horrors of slavery of which was very still prevalent when he escaped from his masters in the 1850s.

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b, the anti immigrant fervor

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.