The major contribution of Native Americans to WWII was:
A) The Navajo Code talk used an unbreakable and successful mode of communication.
During World War II, the Navajo Code Talkers played a crucial role by using their native language to create a code that was never broken by the enemy. This code provided secure and effective communication between American forces, contributing significantly to the success of military operations.
This unique use of the Navajo language helped the United States maintain a strategic advantage by transmitting sensitive information securely, ultimately aiding in the Allied victory in the war.