Answer:
Plantation labor
four million enslaved people in the U.S. in 1860, nine out of ten lived on farms and plantations (mostly cotton plantations), and half lived in the Deep South.
The United States should let Texas remain an independent country and try to establish good relations with Texas.
Answer:
The Missouri Compromise was United States federal legislation that admitted Maine to the United States as a free state, simultaneously with Missouri as a slave state, thus maintaining the balance of power between North and South in the US Senate.
Explanation: