The correct answer is b. - tsunamis.
Tsunami is a Japanese word meaning harbor wave.
Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. This usually happens deep out in the ocean. The earth movement causes a displacement of water in the form of a large ripple which begins to move inland at tremendous speed.
There is no dramatic increase in height of the wave, but as it moves toward the coast, it builds up to a higher and higher height as the ocean becomes shallower and shallower till when it makes land fall, the wave may be dozens of feet high.
Due to the Spanish-American war in 1898, the United States needed a naval base in the Pacific and Hawaii was the perfect fit
Answer:
Factories caused major environmental problems by dumping waste into the river
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The U.S. military's argued that the loyalties of some Japanese Americans resided not with the United States but with their ancestral country, and that because separating "the disloyal from the loyal" was a logistical impossibility, the internment order had to apply to all Japanese Americans within the restricted area. The Supreme Court Accepted the military's argument over the argument of Korematsu.