PLEASE HELP FAST "New and improved diets around the world, throughout the Middle Ages, demanded salt, and Ghana

was no exception. Salt was necessary for maintaining life, but it was in short supply in the forests of

West Africa. Salt became worth its weight in gold. And since gold was so abundant7

in the kingdom,

Ghana achieved much of its wealth through trade with the Arabs. Islamic merchants8

traveled over two

months through the desert to reach Ghana and do business. They were taxed for both what they

brought in and what they took out."

How does paragraph 12 contribute to the development of ideas in the text?

has to be at least 3 sentences