In another instance , Sweet Grass had invited the Blackfoot into his camp in an attempt to begin a long - standing peace with them .
Some of the Plains Cree simply could not accept peace with the Blackfoot .
In another instance , Sweet Grass had invited the Blackfoot into Blackfoot 's camp in an attempt to begin a long - standing peace with them .
Some of the Plains Cree simply could not accept peace with the Blackfoot .