many groups of native americans were relocated in the american southeast to the lands west of the mississippi river between 1820 and 1840.which statement accurately reflects the events of this era.

Some Native Americans moved voluntarily, the Cherokee were forced to relocate, and the Seminoles fought in wars to keep their land.

Explanation:

The above statement correctly speculates the occurrences of the period from 1820 to 1840 that 'few indigenous Americans moved deliberately towards the southeast while Cherokee people were compelled to move and relocate themselves. It adequately asserts that the Seminoles had to fight battles in order to safeguard their lands and keep it with them. Thus, this statement shows the causes that eventually led to the shifting of native Americans towards the west of the river Mississippi.

(d) rivers.

explanation:

civilizations developed around rivers because their waters provided places to hunt and fish. also, as the rivers flooded, the lands around them became fertile. this allowed them to support farming. this is especially true of the nile river, which flooded the same time each year.