The confederacy approved black soldiers
Answer:
The main impact that I can think of with regard to this question is that the Civil War helped to cause conflicts between Indians and the United States. The Civil War, of course, took up a lot of government resources. Because of this, Native Americans in the Midwest weren't paid the way the treaties said they had to be.
The Arabs spoke and still do mainly speak Arabic, which is the one thing that unites such a wide variety of people. They mostly lived in the Arabian Peninsula.