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What encouraged the development of Timbuktu?

Which of the following Islamic traditions encouraged the development of Timbuktu? The hajj, pilgrimage to Mecca.

Which of the following conclusions is best supported by the cultural interactions that gave rise to the trade states of East Africa by 1300 CE?

Which of the following conclusions is best supported by the cultural interactions that gave rise to the trade states of East Africa by 1300 C.E.? The blending of religious and cultural traditions in East Africa was unique and no other places experienced a similar blending of cultures.

Which ruler's sponsorship brought trade and scholarship to Timbuktu?

Deep divisions between Christendom and Islam in Western Europe would foment the Crusades while Africa's state-sponsorship under Malian king Mansa Musa would strengthen an age of Islamic scholarship in Timbuktu.