About 6,000. Can I ask what this is for? This could help you if there's other answers you need: https://quizlet.com/21799407/farewell-to-manzanar-flash-cards/
The answer is (B) hydroelectricity
Americans who advocated annexation evinced a variety of motivations: desire for commercial opportunities in Asia, concern that the Filipinos were incapable of self-rule, and fear that if the United States did not take control of the islands, another power (such as Germany or Japan) might do so.
<span>They established civilian control of the military</span>