Dissolution of Old Empires Which empires were dissolved?
Which new countries were created?
How was this an effect of WWI?

6. why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?

Which is proper hierarchy or leadership roles in the senate from lowest to highest

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?