Answer: In sum, Stowe's Uncle Tom's Cabin widened the chasm between the North and the South, greatly strengthened Northern abolitionism, and weakened British sympathy for the Southern cause. The most influential novel ever written by an American, it was one of the contributing causes of the Civil War.
Explanation:
1991. Although its fall lapsed somewhat into 1992, as well.
It looks like B and C are the correct answers.
History involves those things- we study the past to learn about the world back then.