Answer
Djenne is an ancient town, which was one of the three major cities of the ancient Mali Empire. The other two cities were Timbuktu and Gao. Djenne was a transit point for slaves captured in the interior and sold at slave markets in Gao and Timbuktu. Djenne Djeno is one of the oldest towns in Africa.
I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
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Magna Carta Libertatum, commonly called Magna Carta, is a charter agreed to by King John of England at Runnymede, near Windsor, on 15 June 1215
The correct answer is true.
