Why did pan-africanists create the "exhibit of american negroes" at the 1900 world's fair?

The main reason as to why the pan-africanists create the “Exhibit of American Negroes” during the 1900 World’s fair was because of the fact that they would want to fight the idea of racism by which the Africans were said to be primitive.

basic principles: federalism, separation of powers, checks and balances, judicial review, representative democracy, limited government, rule of law, individual rights and responsibilities, consent of the governed, majority rule, popular sovereignty, equal protection.