The declaration of independence reflected the idea of social contract because it

was a collective act of representatives from all the colonies

listed specific grievances and complaints against colonial rule

named life, liberty, and pursuit of happiness as granted to all

said a new government must form due to the king's actions

said a new government must form due to the king's actions

Explanation:

The Enlightment works were reflected in the American Independence, although through the most conservative lens. The Social Contract as theorized by Rousseau, was based on the notion that all rulers shall submit to the sovereign, the people. In the eyes of American elites,  the colonial government had failed them, and by not giving them equal representation and imposing taxes, had violated the social contract.

said a new government must form due to the king's actions

Explanation:

the term is einsatzgruppen