Introduction now once again solved the problem with a compromise. However,the fear many had of the expansion of slavery into the new western lands grew.The slavery issue became more bitter when Mrs. Stowe published her book"Uncle Tom's Cabin"in 1852. which exerted a great influence on people. Abraham Lincoln,who had long regarded slavery as an evil, was elected President of the United States in 1860. 导 now once again solved the problem with a compromise. However, the fear many had of the expansion of slavery into the new western lands grew. The slavery issue became more bitter when Mrs. Stowe published her book “Uncle Tom’s Cabin” in 1852, which exerted a great influence on people. Abraham Lincoln, who had long regarded slavery as an evil, was elected President of the United States in 1860. Introduction 导言