Which statement about the Pacific Theater in World War II is true?

ANavajo Indians in the U.S. Marine Corps developed an unbreakable code using their native language.
BGuadalcanal was chosen by American planners for invasion because of its pleasant climate and open terrain.
CAt the Battle of Midway, Japanese planes sank four American aircraft carriers.
DAfter the Battle of the Coral Sea, Japanese forces invaded and captured Australia.

Verified Answer :

Answer: A. Navajo Indians in the U.S. Marine Corps developed an unbreakable code using their native language.

Navajo is a language that is not written and is very complex with its incomprehensible syntax, tonal qualities and especially the dialects. That is the main reason that Navajo language was used to secure communications during the war.

Answer:

A. Navajo Indians in the U.S. Marine Corps developed an unbreakable code using their native language.

Explanation:

Navajo is a language that is not written and is very complex with its incomprehensible syntax, tonal qualities and especially the dialects. That is the main reason that Navajo language was used to secure communications during the war.