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| | Sub-Saharan Africa, to 1700 |
 | | The center for trading across the Saharan desert moved eastward to the kingdoms in and around Hausaland, between the Niger River and Lake Chad. |
 | | The number of slaves exported from Africa to Christian societies between 1450 and 1600 has been estimated at 367,000, between 1601 and 1700 at 1,868,000, and between 1701 and 1800 at 6,133,000. |
 | | In 1590, the sultan of Morocco, Ahmad al-Mansur, sent troops with muzzle loading rifles, to seize control of the trans-Saharan trade in gold. |
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