How did the fourteenth and fifteenth amendment improve the lives of african american?

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

What person was influential and trying to ease race relations in america during the early part of the twentieth century

Which central government agency was responsible to provide news on the war? a. the central allied news network b. the office of war information c. the department of war intelligence d. the bureau of war services