How did the environments in north america affect the development of america indian cultures in the period just before europeans arrived

Sientes o why did plains indians lose their battle to keep their land and their way of life? a the number of buffalo decreased b indians were outnumbered by whites. c whites had more advanced military technology. o all of the above

What issue lead from texas seceding from the union

Why would the free rider problem prevent a private business from investing in the building of a city sidewalk?