Because they where finding new and better ways to use power so it made the industry bigger
Either communist oppression or Germany's strength. I'm not sure.
Due simply to the fact that it was their native land they were fighting on. Whereas the colonist they were fighting were new to the lands and not yet fully acclimated.
Answer:
the American Indians
they were forced to move away from the railroad despite it running through Indian Territory. The workers often killed buffalo for meat, and the track itself disrupted the Plains Indian's buffalo hunting.