Answer:
Du Bois was a doctoral student at Friedrich-Wilhelms-Universität, was the first African American to receive a Ph. D. from Harvard University (in 1895), and was awarded an honorary doctoral degree from Humboldt-Universität in 1958.
Explanation:
The Treaty Of Versailles placed restrictions on how strong Germany could build its military and took away large portions of land that were taken during WW1. Loosing Lot of land right after obtaining it would make many citizens rather upset.
Genghis kong was the leader that United China and lead forces to the Roman empire
Answer:
a combination of disease and war with the settlers
Explanation: