What rivers and mountain ranges did settlers have to cross following the santa fe trail and the old spanish trail to california.?

Concord tv: did the media show any bias while covering the concord city election? explain your response. your response

What was the significance of the battle of saratoga

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?