Which event BEST explains the trend illustrated in the graph?

Question

A.
the tariff disputes that led to the Nullification Crisis in 1833

B.
the election of Thomas Jefferson as president in 1800

C.
the 1808 abolition of the slave trade in the United States

D.
the invention and increased use of the cotton gin in the South

Answer 1

D. the invention and increased use of the cotton gin in the South