What was the main idea or philosophy by W. E.B Du Bois for African American success

What strategy is this ad using to get people to support its product? o o lt claims that everyone agrees that these basketballs are the best it details how these basketballs will improve performance. it provides stats about players who use these basketballs. it uses a celebrity to endorse these basketballs.

Which of harriet martineau’s books is a foundational treatise on sociological data collection?

Ow does the point of view used in "battling the digital jolly roger" differ from "the completely free market" and affect the reliability of the article?