After the Iroquois Confederacy Repudiated the 1784 Treaty of Fort

After the Iroquois confederacy repudiated the 1784 Treaty of Fort Stanwix,

A) Congress formally recognized the Iroquois Confederacy as sovereign in the Northwest Territory.
B) Congress allowed the Creeks to retain their ancestral lands if they would ally with the United States against the Iroquois Confederacy.
C) The United States acted as if the treaty were still in force, and by 1790 the Iroquois Confederacy had been reduced to a few scattered reservations.
D) Congress declared war on the Confederacy and confiscated all its lands.