Explain how Harriet Beecher Stowe's book help lead to the Civil War.

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:

so they can defeat there oppenent