Article I. There shall be a perfect, permanent,

and universal peace, and a sincere and

cordial amity between the United States

of America, on the one part, and the

Empire of Japan on the other part; and

between their people respectively, without

exception of persons or places.

–Treaty of Kanagawa

What does Article I say?

Japan will submit to the United States.
Japan and the United States will be allies.
The United States will pay tribute to Japan.
Japan will help shipwrecked US sailors.

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?