re: What was the most revered/feared Indian tribe in the 1800's?

Comanche followed by Apache. Only reason Apache is second because of Geronimo, Cochise, and they are the only tribe to my knowledge that lived with the Comanches and weren't basically forced to become Comanches.

I was told the only reason the Sioux were not wiped out is because the Comanches hated cold weather and the Sioux knew not to go south of Kansas.