What is one reason we don't know what happened to these ancient Southwestern cultures? Choose the best answer.
They left no evidence behind.

The spanish class system placed people in the top class primarily based upon how much american blood a person had. how much spanish blood a person had. where a person worked. whom a person married.

Which two important economic activities in the west are possible because of the united states natural resources

2points which excerpt from thomas paine's common sense best represents an attempt to appeal to ethos to persuade the reader? a. the infant state of the colonies, as it is called, so far from being against, is an argument in favor of independence. b. to talk of friendship with those in whom our reason forbids us to have faith is madness and folly. o c. oye that love mankind! ye that dare oppose, not only the tyranny, but the tyrant, stand forth! o d. i am not induced by motives of pride, party, or resentment to espouse the doctrine of separation and independence..