Answer :
Correct answer:
U.S. government leaders were impressed by the Native Americans' sacrifices and granted citizenship.
Dixon traveled through Europe after the First World War to document the experience of Native Americans in the war. The foregoing was intended to contribute to the struggle to obtain general citizenship of the United States.
Six years after the war was over, on June 2, 1924, Congress passed the Indian City Law that granted citizenship to all Native Americans who were born in the United States.