Answer:
Option: The discovery of oil made some Middle Eastern nations wealthy.
Explanation:
The oil export in the Middle East started in the 20th century when the British were surveying for energy sources and found oil in Iran. British made Persia (Iran) their regular supplier of oil. After World War II, Europe recovery from the war and blooming America economy pushed the need for oil from the Middle East. Iran started the process of nationalization of oil in the 1950s so that the local government could seize control over oil resources and regulate the prices. Ultimately, different nations also followed this policy.
Kievan Russia traded with the Byzantines extensively. It was a loose federation of East Slavic tribes in Europe, under the reign of the Rurik dynasty. Currently, the modern peoples of Belarus, Ukraine and Russia all claim Kievan Russia as their cultural ancestors.
The WPA. During FDRs presidency he wanted to help people get out of the depression. Part of the New Deal was to give people work.
The Manorialism (Manor System) dominated Europe following the fall of Rome
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Because there was no organization throughout Europe after the fall of the Roman empire. People needed protection and places to live so they went to manors.
