History Marking brainliest if correct hurry explain

B. Buffalo
Massive hunting parties began to arrive in the west by train with thousands of men packing .50 caliber rifles and leaving a trail buffalo carnage and they’re weak unlike the Native Americans or Buffalo Bill who killed for food clothing and shelter the hunters from the east killed mostly for sport Native Americans looked at the horrors landscapes and prairies were little with rotting buffalo carcasses the railroads begin to advertise executions for hunting by rail which trains encountered massive herds alongside the train tracks