HELP ME PLEASE IM SO LOST PLEASEE

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

Ineed answers 5 and 6 on my social studies homework reply to this question i posted

American reaction to the 9/11 tragedy can be characterized as patriotism. a. true b. false