“With all the problems the Sioux had at that time it was general believed they were instigated to go to war by Confederate agents working through tribes in Canada.”
Propaganda.
NO it wasn’t propaganda. Iowa fought on 3 fronts. The Indian wars on the west and north, the Missouri outlaws and sent men to the civil war. on the south.
In the book THE INDIAN WAR OF 1864 by Capt Eugene Ware, during his time there he says he saw lots of Confederate Indians from IT (Indian Territory, Oklahoma)operating in the area.
But then, soon he saw an Oklahoma Indian behind every bush.
The Osages killed a large number of Confederates in Kansas and found on them instructions to make contact with the tribes of the West and instigate attacks on settlers in Western Kansas.
https://www.acatholicmission.org/8a-confederate-officers-massacred.html
http://www.ksgenweb.org/montgome/chron3.htm
“According to accounts of the massacre, a band of 18 Confederate soldiers were dispatched from Jasper County, Mo., to make an expedition across southern Kansas and eventually into Colorado and New Mexico territories. The expedition had two objectives: to recruit men from the westward prairies to join the Confederate Army and to incite the western Indians against the Kansas settlers, a majority of whom held free state or anti-slavery views. “