Why was traveling across the Sahara Desert a challenge for merchants?

What two factors led to the growth of trans-Saharan trade? The two factors that led to the growth of trans-Saharan trade were the introduction of the camel and the spread of Islam. ... Travel across the Sahara was challenging because the journey was long and travelers could lose their way or be unable to find water.

what two factors led to the growth of trans-saharan trade?the two factors that led to the growth of trans-saharan trade were the introduction of the camel and the spread of islam. travel across the sahara was challenging because the journey was long and travelers could lose their way or be unable to find water.

Explanation:

d. it spread christianity. i just took the test and got it right.

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