Answer: C) Warfare with others.
Explanation:
The earliest known people of Oklahoma were Osage, Quapaq, Caddo Witchita, Waco Tawakony, Comanche, Apache and several other tribes. When the white men started to encroach upon their land it led to constant warfare. Which was a major cause for the decline in their population. Another factor was that they were uprooted to make Oklahoma available for White men after 1865.
Answer:
Joseph Robinette Biden, Jr. AKA Joe Biden
Explanation:
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A. European imperialist powers gained further control of trade with China.
The answer would be the successful overthrow by a European power of a foreign local government. This is on account of the Ethiopian ruler Tewodros II submitted suicide when he understood he'd lost the last skirmish of the crusade, which was mounted by Britain to free British and other European prisoners seized by Tewodros.