Nickname comes from his mentor, Andrew Jackson, who was called Old Hickory. Polk entered Congress in 1824, when Jackson won the popular, but not the electoral vote to John Quincy Adams. When Jackson won both, in 1828, Polk became his protege.
I think your answer would be, The belief that slaves were personal property and not people (I'm not 100% sure) hope this helps
~ Natalia
The answer would be D) California.
