Why was the city of djenne 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 mamas musa established his Cali

It was home to the Great Mosque.

Explanation:

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d. it adversely affected american productivity

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.