I believe you're looking for the Missouri Compromise.
Part of it was because of the Industrial Revolution and the invention of the cotton gin by Eli Whitney.
National debt is the total amount amount of money that a government has borrowed. National deficit is total of all previous annual government deficits. Keep in mind that a deficit is the difference between what a government takes in and what it spends. The two are related because when the government is unable to fully repay any debt it has accrued that money becomes a part of the annual national deficit. So as the amount of national debt increases so does the amount of national deficit.
(The Answer to this question is A it’s Popular Sovereignty )because a controversial political doctrine according to which people of the federal territories
I'm pretty sure it's a piccolo.