How did w. e.b. du bois challenge stereotypes in his exhibit of american negroes?

W.E.B.Du Bois, primary organizer of the Exhibit of American Negroes at the 1900 World's Fair in Paris, challenged stereotypes by developing a multimedia presentation with photographs, books written and patents held by African-Americans, as well as charts outlining the demographics and economic situation of black people, as a rebuttal to representations of them as inherently inferior.

united kingdom

portugal

france

germany

it would be a. that is the only one i could think of