what important military contribution did navajo code talkers make during world war ii? (7g) question 10 options: they were part of a volunteer group of us pilots that defended china from japanese aggression. they were one of the groups that transmitted secret military information in the pacific theater. they were among the first black servicemen to fly as military aviators in the u.s armed forces. they were members of the tank division that helped liberate france after the invasion of normandy.