He is talking about how someone in America shouldn't be judged on their social classes, rather what they do for the country and for themselves. This can also be interpreted as the Americans wanted to establish a nation in which everyone was equal which wasn't later done until a later date in time.
The Constitution provides that the president shall have Power, by and with the Advice and Consent of the Senate, to make Treaties<span>, provided two-thirds of the Senators present concur
meaning it goes through the president, then the senate, but 2/3 of the senate must agree.</span>
What carries outboard decisions in some countries is administrator