During which attack did a Cheyenne war party kill a team of cattle drovers traveling through the Chisholm Trail?

The attack described is the Hennessey Massacre, in which a Cheyenne war party killed cattle drovers traveling along the Chisholm Trail. The Battle of Adobe Walls involved an attack on buffalo hunters, while the Red River War was a broader military campaign and the Battle of Washita occurred earlier. So the correct choice is “Hennessey Massacre.”

AI-written and checked against the verified answer.