Why is the information available to archaeologists about early Native American cultures very limited?

A.A pandemic of European diseases destroyed Native American cultures before information could be gathered. B.Inter-tribal warfare eliminated large numbers of Native Americans, so little information was available. C.Native American cultures were highly secretive, so it was not possible to locate information about their cultures. D.The nomadic tribes burned all documents […] Read more »

How come the Natives in Mexico from different empires builded alot great temples but Native Americans did not?

Like if you thought about it the pure mexicans, and native americans are really similiar in structure and way of life but how come down in mexico you can find really “legend” like artifacts or buildings and temples but in the whole america (usa) they did not build anything grand? Read more »