Answer:Slavery occurred in civilizations as old as Sumer, as well as in almost every other ancient civilization, including ancient Egypt, ancient China, the Akkadian Empire, Assyria, Babylonia, Persia, ancient Greece, ancient India, the Roman Empire, the Arab Islamic Caliphate and Sultanate, Nubia and the pre-Columbian
Explanation:
<span>The economic system that was most prevalent in Europe of the Early Middle Ages was the manorial system, which some people equate with feudalism and some don't. During the Middle Ages, a mercantile system also developed slowly, until it became very important in the Late Middle Ages and, ultimately, dominant in the Renaissance.</span>
<span>Cattle ranching is the leading cause of deforestation</span>
"<span>e. Employers used their wealth to buy unfavorable and often unfair publicity" would be the only reasonable option from the list, since the employers wouldn't do things to decrease worker productivity if they could help it. </span>