The important natural resource in West Africa that the Songhai Empire controlled was salt.
A.) Salt mines in the sahara desert is the answer.
We have GPS guided missiles big enough to knock out entire city blocks and can see you with infrared or night-vision cameras 30,000 feet in the air and rain down 30mm cannon rounds at 3,000 rpm or fire a volley of incendiary missiles and burn you out of the trench and then blast you to hell and back a few dozen times.
IT WILL TAKE TIMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMME GAL SO SIT AND WAIT
He would sometimes use a translated version of the bible, in this case, he did. This speech is an allusion to his bible, and he means that slave owners get labor produced yet it is not from their own work. Thus it was from the sweat of other men that that they obtained there "bread". There bread symbolizes all of their wealth.
