Which of these resulted from the 1851 publication of uncle tom's cabin?

In the North, the book persuaded more individuals to join the abolitionist cause., and an awesome enthusiasm for the Underground Railroad - the system of safe-houses by which outlaw slaves were carried into Canada. 
Typically, the South was shocked and attempted to boycott this smash hit book. It without a doubt drove the two segments to encourage separated, however, it isn't genuine that Lincoln said to the creator "So you're the little woman who began this extraordinary war."

It might be the second one