What does Luis mean when he says You must also study and learn the lessons of History​

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.

Which label identifies the step labeled w?

How do different areas of the world compare in terms of their level of population or percentage rate of population growth rate