Conversation so far:
When was the Blackfoot confederacy started ?
Anthropologists believe the Blackfoot Confederacy migrated from the upper Northeastern part of the country.
Does any record exist of the Blackfoot Confederacy's early history ?
In the first half of the 18th century, Blackfoot Confederacy acquired horses and firearms from white traders and their Cree and Assiniboine go-betweens.
How did the Blackfoot early society worked ?
Historically, the member peoples of the Blackfoot Confederacy were nomadic bison hunters and trout fishermen, who ranged across large areas of the northern Great Plains of western North America
Where do anthropoligists think the Blackfoot Confederacy originate?
Due to language and cultural patterns, anthropologists believe the Blackfoot Confederacy did not originate in the Great Plains of the Midwest North America.

Question: What kind of god they prayed to ?
Self-contained rewrite: What kind of god did the Blackfoot Confederacy pray to?