By how people where treated (I think)
Answer:
protects their national members' petroleum reserves for their own use
Explanation:
The Organization of Petroleum Exporting Countries (OPEC) <u>protects their national members' petroleum reserves for their own use</u>. The OPEC was established in 1960 and has about 15 member countries presently. The aim of OPEC is to protect the interest of member countries, regulate daily output of oil and hence the global price of oil.
Irrigation was a Sumerian invention, which included major components like canals, gated ditches, levees, and gates. Its two purposes were to (1) to water the crops using w<span>ater carried from the Tigris and Euphrates Rivers to the fields where the crops were located, and (2) </span><span>to protect Mesopotamia, from the threat of flooding.</span>
Answer:
The fall of Rome affected the European society with the rise of Feudal system. The feudal system is a type of rule in which peasants or workers have to serve under the lord or the king in order to get their own area of land. Europe was divided into hundreds of Barbarian Kingdom.
