It allowed African Americans to be able to vote
It gave the alliance made up of mainly Britain and France an advantage in the war, ending with this alliance winning the war.
Hope this helps for more help I suggest looking at BBC Bitesize
<span>In Chicago a black teenager swimming in Lake Michigan happened to drift toward a white beach where whites stoned him unconscious and he sank and drowned. Angry blacks gathered in crowds and marched into white neighborhoods to retaliate so the whites formed an even larger crowd and roamed into black neighborhoods. Overall 120 people died in these racial outbreaks.</span>
Not sure what time period of the past or what country this question pertains to, but here are some ideas for the U.S. today:
Today
Better examples: the 14th Amendment protects EVERYONE, and the U.S. law does not discriminate, many campaigns and groups are set to spread awareness about racial and religious topics.
Worse examples: some religious holidays such as Hanukkah are not recognized on a federal level, implicit bias can make it hard for some people to not stereotype others based on race alone.
Answer:
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