I believe it means back when slavery was around most of the African Americans were in the South and most of them tried to escape but couldn’t. So therefore it’s sayin that since they left and when the civil war ended and all that and when slavery was abolished the South was their home now, and so that’s why today African Americans live mostly in the South.
Tariffs increase the prices of goods.
Some people believe that tariffs cause a decrease in product quality
The Democratic Party is the oldest voter-based political party in the world and the oldest existing political party in the United States. The party's modern institutions were formed in the 1830s and 1840s.[2][3][4] Known as the party of the "common man," the early Democratic Party stood for individual rights and state sovereignty, but opposed banks and high tariffs. During the Second Party System (from 1832 to the mid-1850s) under Presidents Andrew Jackson, Martin Van Buren and James K. Polk, the Democrats usually bested the opposition Whig Party by narrow margins.