Which of the following started conflicts between Americans and the Plains Indians during the 1840s?
А
Indians were massacred at Sand Creek and at Wounded Knee
Creek.
B)
Americans tried to enslave Indians.
C)President Jackson moved most eastern Indians to Oklahoma.
D)Wagon trains crossed the Great Plains.

D)Wagon trains crossed the Great Plains.

salmon were fished in puget sound.

in 1859, brown and 21 of his followers attacked and occupied the federal arsenal in harper's ferry. their goal was to capture supplies and use them to arm a slave rebellion. brown was captured during the raid and later hanged, but not before becoming an anti-slavery icon. abolitionist and insurrectionist

explanation: