Respuesta :
The Navajo code, which was not really a new code, was used during WWII.
The Navajo code could not be deciphered because it wasn't a code at all it was the native language of the Navajo.
The Navajo code could not be deciphered because it wasn't a code at all it was the native language of the Navajo.
Answer:
navajo code
Explanation:
the navajo code was important diring WWII