What are two reasons why the Songhai is often considered

Answer

the largest organized force in the western Sudan not only was a political instrument but also an economic weapon by virtue of the goods it brought in

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

they can increase to boost the enonomy.