Answer:
Saudi Arabia depends on oil and has strong government control over major economic activities. (The Saudi economy is actually the largest in the Arab world) Saudi Arabia has the world's second-largest proven petroleum reserves and the country is the largest exporter of petroleum
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In the late nineteenth century, the US Army clashed with Native Americans, and ... they increasingly came into violent conflict with Native American Indians over ... especially after the discovery of gold in western territories sparked the Gold Rush. ... series of conflicts known as the Sioux Wars, which lasted from 1854 to 1890