Answer:
The flying tigers and the Navajo Code Talkers
B. Both groups employed members of ethnic minorities to support combat operations.
Step-by-step explanation: The Flying tigers was a group of U.S. army airforce, Navy, and marine corps soldiers during WWII that were sent to China to integrate a fighter pilot unit that would defend china from the Japanese. It was integrated by Chinese and Americans.
The Navajo Code talkers were a group of soldiers during WWII that were sent to war to communicate in encoded messages, they were very famous because they used short messages. Thy included Navajo native Americans.
Therefore, both groups employed members of ethnic minorities to support combat operations.