Answer:
China conquered the Mongolian State in 1919.
B is the only answer that makes sense.
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.
Bobs s sndkxjsmammamsmxmzmjzjaabhaabsbs d dbdjck. Nsnnsndbfjcjx d I want answers