USA HISTORY

Detailed explanation-1: -popular sovereignty, also called squatter sovereignty, in U.S. history, a controversial political doctrine according to which the people of federal territories should decide for themselves whether their territories would enter the Union as free or slave states.

Detailed explanation-2: -In the modern period the concept of popular sovereignty has been adopted by the French philosopher Jean-Jacques Rousseau according to whom, people willingly gave legitimate authority to the government in the form of social contract for reciprocated preservation.

Detailed explanation-3: -The idea of popular sovereignty as it pertains to the extension of slavery to the territories in the antebellum era was a political concept that allowed the residents of the territories themselves, rather than Congress, to determine whether to permit or prohibit slavery.