What is the meaning of the euphemism that Andrew Jackson used in his message to Congress?

"...send them to land where their existence may be prolonged and perhaps made perpetual."
A. American Indians will love longer and be stronger on this land.
B. The land given to the American Indians will grow under their care.
C. The U. S. will always consider American Indians as the enemy.
D. American Indians will be given lands that white people don't want.