The south threatened to from the union if their political interests were not met. western territories had not yet joined the union.

The south threatened to succeed from the union.

Secede.

The south threatened to leave the union as they did not want to be apart of a nation, or secede.

This was due to the fact that the South was pro-slavery while the North was anti-slavery and they also didn't want Abraham Lincoln to be elected president.

Hope this helps!

powerful warriors rose to become chiefs, who had a privileged place in society.