Answer:
Optics is the branch of physics that studies the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it. Optics usually describes the behaviour of visible, ultraviolet, and infrared light.
Explanation:
The US government thought that internment camps were necessary for the Japanese descendants and Japanese-Americans because they believed that most of them were spies for Japan, and it was they that leaked information and coordinated the attacks
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4th amendment which is prohibits unreasonable searches or seizures.
It more than doubled its territory, factories were built along the Fall Line in the Northeast, and cotton became a major cash crop in the South. New immigrants needed land, cities needed more food, and the government wanted to speed up the settlement of the United States.
