Alberta covered by Laurentide and Cordilleran glaciers. Glaciers retreat, land along eastern Rockies open to human inhabitants. Early Farming communities of Mesopotamia move from a food gathering to food producing society, begin cultivating wild wheat and domesticating dogs. Other early sites include Saskatoon Mountain, Lake Minnewanka, Sibbald Flats, St. Mary's Reservoir and James Pass. Farming begins in China.
Environmental conditions become more hospitable for humans and larger mammals.
Technological innovation, revolutionizes hunting practices. Early peoples defined by particular spear-points. 200 AD Aquisition of the bow and arrow. Revolutionizes the Native way of life. Can now transport more, travel farther, simplifies buffalo hunt, introduction of material wealth.