Why was thomas jefferson the wrong person for a black civil rights activist to protest too?

Thomas Jefferson wrote that “all men are created equal,” and yet enslaved more than six-hundred people over the course of his life.  Although he made some legislative attempts against slavery and at times bemoaned its existence, he also profited directly from the institution of slavery and wrote that he suspected black people to be inferior to white people in his Notes on the State of Virginia.

harding's opponent in the 1920 election was ohio governor and newspaperman james m. cox, who had won the democratic nomination in a 44-ballot convention battle. harding rejected the progressive ideology of the wilson administration in favor of the laissez-faire approach of the mckinley administration.

there are no mutiple choices here