What factors led to the decreased native american population by more than 80 percent from 1850 to the 1870s? a. they lost their land and freedom c. they were unable to make a living b. many were murdered & even more died of starvation & disease d. all of the above

I think D is the answer cause i mean it explains it self

hello,

answer: now it would take me a lifetime to do this problem for you but what i can do is guide you, first you will need to create your own sketch of the following items they have selected.

the answer should be a)directions.