What were the circumstances for many navajo code talkers after returning to reservation life?

Their future wasn't very bright. Native Americans who could speak Navajo had to go back to their regular lives which often weren't very good because all of their wartime efforts were highly classified. Everyone had to pretend as if they never helped and it was so until 1968 when it was declassified and they finally started getting some long due respect.

Hoped he would accept their demands and end the violence