What important knowledge did William Clark bring to the Lewis and Clark Expedition? He knew the location of the Northwest Passage.
O He knew American Indian languages.
He had explored the Louisiana Territory in the past.
O He was a skilled navigator and mapmaker.

What enabled the drastic increase in us troop development to vietnam between 1964 and 1965?

War of 1812 allowed the us to take control of lake erie

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?