Who does the author support the idea that Navajo men who volunterred to fight in world war II had been so living isolated lives?

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

political parties are protected under 6th amendment.

i think economic depression and disrupted trade and commerce