Why were the berbers willing to trade with the songhai?

What is the main inference that can be drawn from adam smith’s book the wealth of nations?

Han put the last box into the back of his car and turned to look up at his dorm room. he saw himself through the window, laughing with his roommates and sharing his hopes and dreams. he saw all of the hours spent studying and the celebrations at the end of each semester. he smiled fondly as he turned away, got into his car, and drove off. which literary element does the passage contain?

How long have counties been a part of the government structure of the united states?