<span>According to Robert Kraske, two ways the profits of the salt trade affected the city of Timbuktu was that it increased GDP and increased trade revenue. </span>
It would be the term "c. inflation" that refers to an economic situation where the large amount of money in circulation creates continuous pressure to raise prices, since the value of the money actually decreases.
I think the answer might be the second one but t let me know if I am wrong