Which sentence from A History of the World in 100 Objects provides the most effective evidence to support this claim and reason?
The slit drum began its life in Central Africa, in the region where Sudan and the Congo share a frontier, and it would have been part of the court orchestra of a powerful chief.
The flanks of the drum have been carved to different thicknesses, so that a skilled drummer with a traditional drumstick can produce at least two tones and as many as four distinct pitches.
It [slave raiding and trading] was centralized by the Egyptian government in Khartoum, which by the late nineteenth century had become the greatest slave market in the world, servicing the whole of the Middle East.
It’s an interesting drum because it’s been etched with the Arabic script, because it fell into the hands of the Mahdi, and obviously Arabic is the lingua franca of Sudan and it’s the language spoken by the northern tribes.