(A) established the principle that western lands are the joint property of all the states.
(B) initiated a territorial policy that provided for the orderly creation of new states.
(C) made possible a policy of Native American (Indian) relations that enabled new western areas to be settled peacefully.
(D) put land into the hands of the actual settler rather than the speculator.
(E) were the basis for the future settlement of the dispute with Britain over the northwest posts.