Which established the guidelines by which new states would be added to the united states?
a. articles of confederation

b. united states constitution of 1789

c. northwest ordinance of 1787

How did the american revolutionary war change how some americans viewed the enslavement of african americans?

The code talkers work contributed mostly to

The quote below is an excerpt from the charter of the united nations: "the purposes of the united nations are: to maintain international peace and security, and to that end: to take effective collective measures for the prevention and removal of threats to the peace, and for the suppression of acts of aggression or other breaches of the peace, and to bring about by peaceful means, and in conformity with the principles of justice and international law, adjustment or settlement of international disputes or situations which might lead to a breach of the peace . " source:this section implies that the united nations is prepared to do what to keep world peace?