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:
Answer:
What was the main difference between Doves and Hawks regarding U.S. presence in Vietnam? Doves believed that the Vietnam conflict was a localized civil war and did not agree with Johnson's war policy, whereas Hawks supported Johnson's policy and believed Vietnam was a crucial front in the Cold War.
Explanation:
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B. strengthen trade between white american settlers and american indians
