Free points (again. )

What was the midwest states often called because they were located in the center of the nation

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Explain what commentary austen is making about social conversation based on this excerpt. your answer should be at least 150 words.