What is different about how history is written (and rewritten) today, in the 21st century? Historians are more likely to write fictional, or partly made up, version of historical events.
Historians are more likely to believe what they see represented in artwork from a period.
Historians use modern science and technology to investigate and imagine historical events.
Historians use the accounts of government and religious leaders to decide what is true.

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?