Why was the city of Djenné an important center for Islam? It was a rest stop on the route to Mecca.
It became a UNESCO World Heritage site.
It was home to the Great Mosque.
It was where Mansa Musa established his capital.

It's C. It was home to the Great Mosque

Explanation:

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the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.