Answer:
C. They were experienced military personnel from the Navajo Nation.
Explanation:
The Navajo code talkers were recruited as military personnel's by United States during world war II. But, They were not experienced soldiers. Most of them had regular jobs before they joined the world war.
Their part was to create a secret message using ancient Navajo language to other allies during the war. If the enemy intervened their message in the middle of the road, the message wouldn't be compromised by the opposition.
