Which of the Following Statements Accurately Describes the Upper South

Which of the following statements accurately describes the Upper South and the Lower South?

A) The Upper South depended entirely on cotton, while the Lower South had a diversified economy.
B) Both sections aggressively advocated secession.
C) After about 1830, both were united in their defense of slavery.
D) The Upper South tended to identify more with the North than with the Lower South.
E) Both sections were beginning to industrialize.