What were the effects of European colonization of North America for Native Americans?

At first, things were going well, the Natives helped the European colonists, but then, the Natives got diseases that the Europeans were immune to, like chicken pox. So the once fragile friendship was broken. Also, mass droves of Natives died due to the new illness.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.