By 1820, most Indigenous nations east of the Mississippi River
A
were living side by side with settlers in peace.B
were living side by side with settlers in peace.C
had moved east to the Atlantic coast.D
had moved east to the Atlantic coast.E
had been defeated by the US military.F
had been defeated by the US military.G
had won most battles against the US military.H
had won most battles against the US military.