Frederick Douglass (born Frederick Augustus Washington Bailey; c. February 1818 – February 20, 1895 was an American social reformer, abolitionist, orator, writer, and statesman. After escaping from slavery in Maryland, he became a national leader of the abolitionist movement in Massachusetts and New York, gaining note for his oratory and incisive antislavery writings. In his time, he was described by abolitionists as a living counter-example to slaveholders' arguments that slaves lacked the intellectual capacity to function as independent American citizens. Northerners at the time found it hard to believe that such a great orator had once been a slave.
The correct answer is letter D.
Explanation: It determined Southern resistance to Northern efforts to change its culture.
D) At least three-fourths of the ships using the canal in both years were from Great Britain
