Some people in the North notably opposed slavery because they thought it was unfair competition to them. Others opposed it for a more decent reason since they regarded it as profoundly immoral. When the U.S Constitution was written that meant that fugitives came back. Also many New Englanders had grown wealthy in the slave trade before the importation of slaves was outlawed. The places of the country became the heart of abolitionist sentiment. By 1860, four million people lived in slavery in the US. Most were people who had been brought from Africa and their descendants. Another reason Abolitionists argued against slavery is because of its terrible conditions, and through claims that slavery violated all Christian principals and the natural
