Because slavery was the mainstay of the cotton industry.
Southern people argued for the continuation of slavery in 1830. After it was denied by the government, they started to petition for their states to secede from the Union.
This happened because proslavery Missourians crossed over into Kansas to vote illegally
albert barnes
Albert Barnes
The proviso would limit the spread of slavery- NoVaNeT :]
Pro-slavery means that you favor slavery, & want it to stay.
necessary evil
Southerners believed they were fighting for 1. Slavery 2. their rural way of life
AntislaveryAntislavery means against slavery.
The Mexican government offered them land and they could have slavery.
With the slavery issue based on popular sovereignty, the territories would become slave or free depending on which side had more votes. Both antislavery Northerners and proslavery Southerners scrambled to settle Kansas. One fierce slavery opponent, John Brown, killed five proslavery people in a raid and started a small civil war that killed some 200 people from both sides.
The Southerners did not feel good about the future of slavery
Southern proslavery arguments did not include the belief that slavery was mandated by the Constitution of the United States. Slavery had been a contentious issue between the North and South since the Constitutional Convention of 1787.
Some northerners believed slavery was morally wrong. Southerners believed slavery was an essential part of their lives.
Southern people argued for the continuation of slavery in 1830. After it was denied by the government, they started to petition for their states to secede from the Union.
The slavery issue changed political parties. The Whig Party collapsed, divided between anti slavery Northerners and proslavery Southerners. With this split, a Democrat won the 1852 campaign for president. Some Whigs joined the new American party.
Many southerners believe that the the south no longer had a voice in national government. Also that the President and Congress were now set against their interests, especially slavery. Even before the election, South Carolina's governor had written to other southern governors. If Lincoln won, he wrote, it would be their duty to leave the Union.