The native Americans built mounds.
im not positive but im pretty sure it ended in the mississippian era
the critatios period
out of the three listed, the earliest is the triassic period, then the jurassic, and finally the cretaceous period (the last prehistoric period in which dinosaurs lived.)
There was no printing.
the invention of writing
In prehistoric time period
the word war did not exist in that time period the prehistoric era was a time when the was no written documents
Another name for the Prehistoric Era is the Stone Age.
After the prehistoric era, came the recorded historic era comprising of the ancient , middle, and modern age.
The Trustee period of Georgia, was the first 20 years of Georgia history. It is referred to the Trustee period, because a Board of Trustees ran the colony.
16th -17th century
prehistoric