The Sphinx, hope this helps ❤
Answer:
-technological advance like Steam powered riverboats
-means to control disease
-they were no longer confined to the coast
It only appeared to be so. The roaring twenties was soon followed by the Great Depression, I believe, and lots of people suffered during that time.
This view by W.E.B. DuBois contributed most to the creation of the National Association for the Advancement of Colored People.
William Edward Burghardt Du Bois was an American Civil Rights activists leader. He was among the founders of the National Association for the Advancement of Colored People (NAACP). He insisted that blacks needed legal rights and economic opportunities to develop their capacities and realize their cultural potential and because of that he helped to create the association.