What was the significance of the Native American contribution to WWII?

When compared to all other groups, Native Americans were the largest contributors per capita to the armed forces with over 10 percent of the population and a third of the able bodied men between ages 18 and 50 serving during this war. Some tribes had as much as 70 percent participation in the war effort.

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regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.