Which of the following occurred during the Abbasid Caliphate?
A. They conquered the Byzantine Empire.
B. The Prophet Mohammed died.
C. They heavily taxed non-Muslims.
D. Persian nobles were given authority.

What was the focus of the stanford study-pls

John locke viewed the social contract as a choice or "consent of the governed", where the people possess the power to change government. how did thomas hobbes see the social contract? man is born in chains, but can be set free through good deeds. man is born happy, but becomes more miserable as he ages. man is born poor, but can rely on other individuals for security. man is born selfish, but can give up some freedom in return for security provided by the government.

Were african-americans allowed to serve in the military in wwi? explain