None.

A carriage pulls up with arrows stuck in it and dead people inside it.

Indians ambush and chase a cavalry unit. The cavalry stop in the middle of the chase, dismount, and fire on the Indians.

Two gunrunners refuse to sell rifles to Indians unless they pay the money they ask for. So, the Indian chief kills one of them with an arrow and his warriors torture the other one by tossing him into the campfire.

At night time Wayne and his cavalry unit stampede a herde of wild horses into an Indian village and shoot it up. Some of the Indians return fire. No deaths are seen.

None.

Drinking whiskey and smoking cigars.

A scene of torture may be a bit disturbing.