The term 'Pawnee Ally' refers to the Otoe tribe, a Native American tribe that was historically allied with the Pawnee people. The Otoe tribe is located in the Great Plains region of the United States and is composed of two distinct tribes, the Otoe-Missouria and the Iowa. The Otoe-Missouria are the larger of the two tribes and are located in Oklahoma and Nebraska. The Iowa are located in Kansas and Nebraska. The Otoe tribe has a long history of cooperation and alliance with the Pawnee people, which dates back to the early 19th century.