<span>Southern buffalo herds were huge part of living for the American Indians and not just an animal. When the outsiders who were given lands by the government got migrated to the place, they looked at the buffaloes for hunting and sport. So eventually the factor that contributed to the destruction of southern buffalo herds is that trainloads of tourists killed buffalo purely for sport.</span>
C. states needed to be given more control
The main reason for rapid growth of labor unions in the late 1800s was the Industrial Revolution, which brought an unprecedented amount of workers into dangerous factory conditions.
