Answer:
To prepare for a trip, camels would be fattened up for the journey across the desert. Caravans moved at about three miles per hour and it took them 40 days to cross the Sahara Desert. Muslim traders spread Islam throughout Western Africa. Islamic law helped to lower crime rates and also spread the common language of Arabic, thus encouraging trade.
Explanation:
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The reasons why President Lincoln believed that the U.S soldiers were fighting for during the American Civil War is that he had high hopes of preserving the union as well as helping the union survive. President Lincoln had only one goal in this Civil War and it was to restore the union. Hope this helps.