Answer:
The secret codes are mainly used in the military zone, to send and receive messages through an open channel without the need for encryption, with a language that cannot be deciphered, so that the enemy does not know their next movements.
The Navajo language was used because it had a very high complexity, that's why in the wars, there was no translator to decipher that rare and unique language, so only the Americans would understand the language
As I mentioned before, because it was a language that was only found in the United States, and its complexity of pronunciation and understanding is unique.
Explanation:If you can give me the crown I would appreciate it, but if you don't want to, that's no problem.
The service sector accounts for the majority of jobs in the United States.
He reduced national debt to the lowest it had been since 1791, kept the Union together. Bad things.. He ignored the power of the judicial branch to judge laws