Answer:
I think it is B
Explanation:
Southern states that seceded immediately after Lincoln's election in 1860 did so because they had already been planning it in the event of a Republican victory. Their motivation involved what they perceived as a threat to the institution of slavery, which their economy was dependent upon.
Monroe doctrine
Monroe doctrine warns European countries to not colonize or puppet monarch
Answer:
Thomas Jefferson 1801-1809 3rd president
John Quincy Adams 1825-1829 6th president
William Howard Taft 1909-1913 27th president
Jimmy Carter 1977-1981 39th president
Explanation: