“Rubber, ivоry, аnd pаlm-оil; teа, cоffee, and cocoa; bananas, oranges, and other fruit; cotton, gold, and copper—they, and a hundred other things which dark and sweating bodies hand up to the white world from their pits of slime, pay and pay well, but of all that the world gets the black world gets only the pittance that the white world throws it disdainfully." The speaker is ___.