A few fights are shown between men. Nobody is killed, but a small amount of blood is shown.
Horses and oxen are whipped on occasion, although it's only done to move them, and not in a way that is deliberately abusive.
In one scene the aftermath of a massacre is shown, although only the smoldering remnants of wagons are visible. A survivor is briefly shown who seems to have a bloodied shirt but otherwise appears physically unharmed, although visibly distressed. He mentioned that everyone else perished.
A young woman is injured by an arrow, and it is shown embedded in her body.
There are a few isolated instances of men shown being shot, and presumably killed.
There is a scene in which several men are hunting bison for its meat. The only explicit violence that is shown is the body of a dead bison after it is stabbed at close range. The bison is later briefly shown after being cooked to eat.