Last question I need help with. How did World War I and World War II bring change to the African American community and lay the groundwork for the future civil rights movement?

Blacks were able to serve in all branches of the Army except for the aviation units. The government made no provision for military training of black officers and soon created segregated training camps for that purpose. Disheartened, blacks protested against this discriminatory practice

Explanation:

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Blacks were able to serve in all branches of the Army except for the aviation units. The government made no provision for military training of black officers and soon created segregated training camps for that purpose. Disheartened, blacks protested against this discriminatory practice

answer; taking up arms to defend the nation;

missouri compromise of 1820 which prohibited slavery