D would be the best answer for the question.
Answer: The U.S. used Native American languages during the 2nd World War because these languages were in a way primitive, and only a hand full of people knew it. This was basically a way of talking in code so that almost no one could decipher it. The main language used was Navajo.
Because they can be used for weapons and tanks.
Answer:
True
explanation:
they use many different types of human sacrifices
