What Was Congress Able to Accomplish with Its Native American

What was Congress able to accomplish with its Native American policy under the Articles of Confederation?

A) Nothing; Congress was so powerless under the Articles that nothing happened in this area.
B) It negotiated treaties for the tribes to keep their lands, but Congress was so lacking in power that the treaties proved useless.
C) Congress demanded and received surrenders of large amounts of Indian land north of the Ohio River and in the South.
D) Congress backed away from any involvement when land companies requested that the government step aside and leave the West's economic development in private hands.