D all 3 of them would be causes
Answer:
There were many effective strategies used by the Civil Rights movement. The main goal of these strategies was to get attention to the movement. The most effective strategies used by the Civil Rights movement were boycotts, sit-ins, and marching. There were many more but these are the most important.
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Paul Revere (a silversmith) used his profession as a mean of protest in the 1760s by creating engravings to promote colonial protests. (he created engravings to promote colonial protests.)