Evidence 2
The primary, physical source is about the African trading vessels or routes that carried items which included cotton, indigo, tobacco, oils, soaps, waxes, gums, gold and ivory, to name a few. This source significantly supports the abolition of slavery as it provides economic evidence that there was plenty of opportunities to trade with Africa in other goods and items such as cotton, indigo, tobacco oils, soaps, waxes, gums, ivory or gold than human beings that would be used for maids, caretakers, handymen or labourers. Furthermore these other items could be sold directly at the markets in Britain