How the declaration of independence reflected the political principles of popular sovereignty, social contract, natural rights, and individual rights.

Brief explanation of Declaration of Independence of the principles of a) popular  sovereignty, the people are the ultimate source of the authority of their government b) social contract it is the legitimacy of the state over the individual c) natural rights, not dependent on the laws, customs, or beliefs of any particular culture or government and therefore universal or inalienable (rights that cannot be repeated or restrained by human laws) d) individual rights, the equality and this is the rule of equality that tied up to the creation of mankind to God.

South carolina was so angry about the election of lincoln that they seceded from the union on december 20, 1860. they attacked fort sumter later, on april 12, 1861.