What plan of government kept a single house in the legislature and didn’t have a separate executive branch?   the new jersey plan  the pennsylvania plan  the ohio plan  the virginia plan

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?

Explain when conformity is beneficial and when it is harmful. give examples of both?

What was true about the progressive movement?