So, first, they needed to figure out what their new country was going to be and who was going to lead it because they didn't want a monarchy or a king. They pretty much knew they wanted George Washington to lead the country but they were unsure about what type of govt the wanted.
It was built by soldiers, common people, and foreigners. You're best bet would be the army in my opinion.
What was the saying that Theodore Roosevelt often used? - "Speak softly and carry a big stick; you will go far", taken from a west african proverb, implying that we can always understand and make agreements with our adversaries, but showing that we can be very tough if we need to apply pressure to any situation, in other words, we can be gentle and violent if we need to.