Answer: The European traders brought new diseases to West Africa, for example. Smallpox and tuberculosis had a devastating impact on the populations of West Africa. ... Depopulation was not only caused by the arrival of new diseases. As the reference link notes, two-thirds of the people captured and sold into slavery were male.
Its not an oligarchy its a monarchy meaning it has a king and queen
Tribes were no longer considered to be independent nations.
Adding laces to shoes was laborious, so Matzeliger invented the lacing machine. C. Adding heels to shoes was laborious, so Matzeliger invented the heeling machine. ... Attaching the top of the shoe to the sole was laborious, so Matzeliger invented the lasting machine