Silent Trade by: Gavin Hook Silent trade was a system of barter that did not require speech. Silent trade was used by all West and Northern Africans and took place all over West and Northern Africa. It was used because West Africans don't speak the same language.
Caravans lay down their Goods.
Caravans beat on drums signaling they are leaving.
Caravans wait for the sound of a drum.
Wangarans judge the goods and place an amount of gold they think are equal
Wangarans beat a drum to signal they are leaving.