In this spectrum of black civil rights leaders, the most radical leader should be placed on the left and the least radical leader on the right. how should this chart be completed?
1.) a: garvey; b: washington; c: dubois
2.) a: garvey; b: dubois; c: washington
3.) a: dubois; b: washington; c: garvey
4.) a: washington; b: garvey: c: dubois