It would be letter D. They will served in the military and worked in war production. American Indians would even played a big role during world war II as they served as the code talkers to transmit code messages based on their native language to the command post to inform of the current situation of the unit they served in order to prevent the enemy to understand. Most known group are the Navajos who served during world war 2 and played a big role of communication during battles and clashes.
