What is the best title for this graph? OPopulation Statistics for the Largest Cities of the World

O Population Comparison of Ancient Rome to US Cities

OPopulation Statistics for the Citizens of Ancient Rome

OPopulation Comparison of the Smallest Cities in the World

What kind of non military support did u. s give to europe

What is the term for a short statement about history that has not been yet been proved

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?