Which of the Following Strategies Did Abolitionists Use to Counter

Which of the following strategies did abolitionists use to counter the racism of their time?

A) They argued against the pseudoscientific claim that blacks were inherently inferior.
B) They performed the compositions of the ex-slave Henry Highland Garnet.
C) They praised Haiti, the scene of the famous slave revolts of the 1790s and 1800s, as a model society.
D) They campaigned to make January 1, the anniversary of the end of the international slave trade, a national holiday.
E) They nominated Frederick Douglass for president in 1852.