In the Declaration of Independence is written that they derive the right to govern by the governed, because is the beginning of democratic govern, when people choose who is gonna be on the head of the Nation. As the Declaration says <em>''...powers from the consent of the governed...''</em>
The Declaration of Independence states that “...we are endowed by our creator with certain unalienable rights. That to secure these rights, governments are instituted among men deriving their just powers from the consent of the governed.”
"After French assistance helped the Continental Army force the British surrender at Yorktown, Virginia, in 1781, the Americans had effectively won their independence, though fighting would not formally end until 1783."