Before the Pueblo Revolt, why was one knot untied each day? a. It reminded them of the things they were unhappy about.
b. It reminded the Pueblo to all revolt on the same day.
c. They were counting the people lost in battle.
d. They were practicing for a contest.

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?