ice
after the ice age people could farm
use of fire.
The Fire age.
We are in an ice age because we have a great thickness of ice at the poles. This is not normal unless we are in an ice age.
Fire King
The Great Lakes were created by glaciers in the last ice age.
Ice Age 2: The Melt Down. Great flick.
A Song of Ice and Fire is a great series by George R. R. Martin.
by a fire
because of the ice age
during the ice age the had to follow the food to different places around the world that is how native american were before anybody but during the ice age they invented fire to survive that is your answer.