Answer:
William Edward Burghardt Du Bois (W.E.B. Du Bois)
Explanation:
W.E.B. Du Bois was the African-American to earn a Ph.D. from Harvard University, and he applied his expertise in the writing of "The Philadelphia Negro: A Social Study" (1899) and "The Souls of Black Folk" (1903).
Du Bois was the best known spokesperson for African-American rights during the first half of the 20th century. He co-founded the National Association for the Advancement of Colored People (NAACP) in 1909.
Answer:
diplomacy: The art of conducting relations with other countries, including negotiating alliances, treaties, and trade agreements.
D
Explanation:
It should be D. Hope that helps.
The world saw a major increase in population, which, along with an increase in living standards, led to the depletion of natural resources. The use of chemicals and fuel in factories resulted in increased air and water pollution and an increased use of fossil fuels.