The best answer is:
The Supreme Court’s decision gave individual states the freedom to make their own laws in relation to non-whites.
In the pivotal case of Plessy v. Ferguson<span> in 1896, the U.S. Supreme Court ruled that racially separate facilities, if equal, did not violate the Constitution. The court said that the Segregation was not discrimination.</span>
B in 1940 racism was still going on
Religious extremism (isis, middle eastern area)
Being racist towards people doing the jobs that no one else wants to do(racist towards Mexicans, although they are doing the jobs no one else wants to do)
I'm pretty sure its A but I could be wrong
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