The answer is A. the sinking of the Lusitania
Answer:
The Ku Klux Klan was originally an American Protestant "white power" organization founded by Southern State veterans in 1865, but dissolved in 1880. The KKK was against black people and didn't think they deserved rights.
Explanation:
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<span>Copernicus posited a heliocentric or sun-centered conception of the universe; Kepler contributed the three laws of planetary motion; and Galileo's telescope led to observations of earth like planets rather than ethereal planets.</span>
