It’s Philip Nolan or the last one
The only leader charged and sentenced to death was Henry Wirz.
Answer:
I believe they were called Viet Minh.
They moved around (though the cowboys were herding cattle, whereas the Native Americans were following the buffalo). They cared for the cattle (eg by bog-riding and from line-camps) in a way similar to the way Native American dog-soldiers cared for the buffalo.
