Which U.S. plain were a small cult of Native North Americans who practiced oppositional behavior located?
Contrary (social role):  The Contraries were found among the historical Amerindian tribes of the Great Plains. Contrary (social role):  They were a small number of individuals loosely organized into a cult that was devoted to the practice of contrary behavior. Great Plains: The Great Plains (sometimes simply "the Plains") is the broad expanse of flat land (a plain), much of it covered in prairie, steppe and grassland, that lies west of the Mississippi River tallgrass prairie states and east of the Rocky Mountains in the United States and Canada.
Great Plains