Answer:
Historically, the City of Timbuktu was popular as a trading station on the trans-Saharan (caravan) route. ... By the 14th century, it was a thriving centre for gold and salt trade. Some of the oldest mosques built during the 14th century included Sankore, Sidi Yahia, and Djinguereber.
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Explanation:
Thiking of conquences cause why not and avoiding danger
Tomb for the pharos and their queens.
Separation of powers was made so none of the government branches would abuse their power, they used check and balances to check up on each other