In 1856, the Republican party was filled with antislavery democrats. “They convinced the Northerners that slave labor is putting a threat to their liberties and aspirations than “popery” and immigration (Foner 490)”. The party looked upon the ideology of free labor, later because of the Republican Party the contrast between “free society” and “slave society” spread around the world, that made the North identify as the “home of progress, opportunity, and freedom(Foner 491)”. The Southerners believe the opposite of the North, they believed that slavery was the foundation of liberty. The Republicans heard and responded by ending the federal governments support of slavery. The Republicans were not abolitionists, they just wanted to prevent slavery from spreading. Many party leaders saw the differences between the two regions as a “irrepressible conflict”, in 1858 Senator William H Seward said that “eventually one day this would have to be resolved, these two systems of society, were incompatible within a single nation(Foner 491)”. Seward said, by bringing the whole nation together and closer, it made the situation worse between freedom and slavery. He said the United States, “Must and will, sooner or later, become either entirely a slaveholding nation, or entirely a free labor nation(Foner 491)”.Another act that led to the Civil war was Dred Scott’s Decision. He sued to gain his freedom, by saying that by staying on free soil had made him free (Forner 492). Soon the Supreme Court had heard the case and said that since Dred Scott was a black slave and was basically property, he was not considered a citizen and therefore he was not allowed to sue anyone(Foner 493). The Court took the case further, and said that since a slave was property they could be brought into any property and still be held there under the laws of slavery. The ruling was based on the Fifth Amendment which prevented Congress the right to strip people of their property without due process of law. Southerners were celebrating the win in the case, but the abolitionists were scared with the idea that slavery could spread anywhere in the country legally. This fear continued to grow in the North and caused conflicts between the North and South(Foner 493).