The answer is a chef. This is because labor is done by a person. A chef is a person.
Answer: D) Wealth changed the amount of power held by ancient civilizations
Answer: The Turks fought fiercely and successfully defended the Gallipoli Peninsula against a massive Allied invasion in 1915-1916, but by 1918 defeat by invading British and Russian forces and an Arab revolt had combined to destroy the Ottoman economy and devastate its land, leaving some six million people dead and millions. Finally, after fighting on the side of Germany in World War I and suffering defeat, the empire was dismantled by treaty and came to an end in 1922, when the last Ottoman Sultan, Mehmed VI, was deposed and left the capital of Constantinople (now Istanbul) in a British warship.
Michael Servetus was a Spanish physician and theologian. He was known for having a contrary view on Christology and figuring out the role of pulmonary circulation. I suggest using britannica.com for your research.
People of the classical era found the flat, open geography of the African plains particularly well suited to herd livestock as it enabled them to keep steady amounts of live animals at one location without loosing sight of their whereabouts - b. They had difficulties growing crops on the African plains.