which civilization built the great mound.
Mound Builders
The Adena Mound
it was a burial place for important cheifs
it was built because the mound builders leader wanted a serpent shaped mound they had alot of that they built that you can still see today in the country the great serpent mound being just one of them
Isn't it built by some kind of tool??
the one outside
Effigy mounds are in Iowa. if it helps
the one down south
they built mounds
my mom
they sometimes built mounds