Fortunately, many Navajos still speak their language. During World War II, about 420 Navajos served as Code Talkers—the most from any Native group. The Navajo homeland: Four sacred mountains covering 27,000 square miles of the four corners area of Utah, New Mexico, and Arizona define the Navajo homeland, “Dinétah.”
They feared that a strong national government may abolish slavery.
Answer:
I can't answer 13, but 14 is silk, ancient China kept secret the way to make silk because (15) it gave them an advantage in trade (the silk road) because other countries would trade their goods for silk since china wouldn't tell them how to make it. Hope this helps!
The mass of the objects ? (you did not give us any certain word)
The answer would be the availability of new farming land in the west, while back east, most of their land had already been taken.
