They believed they would oppose the opposition toward WW1 because the United States was the strongest among all western countries.
The answer is <span>A African Americans had been unfairly denied access to them.
There are numerous cases where African Americans experienced discrimination during that period. Although America has Civil Rights Act of 1964 which prohibited discriminations in the said areas, segregation became a barrier that made it these services inaccessible to them.
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It is a term used in reference to WW1