Fitzhugh had revealed not only the sectional divide over slavery on the eve of disunion, but also the ideological distance amid the revolutionary generation of Virginia slaveholders and mid-nineteenth century Carolina planters. The political ideology of secession, exemplified by his speech, belonged to the surge of reaction with the intention of followed the age of revolution in the Atlantic world.
The political ideology of secession in America consisted mainly of formal constitutional arguments and proslavery thought. The systematic construction of Southern constitutional theory and the theoretical defense of slavery proved to be very influential in the long term and provided the ideological justification for secession. Under the political and intellectual guidance of Fitzhugh, slaveholders formulated the "Carolina doctrine" of nullification, or the state veto of a federal law, state ownership of national territories, and the constitutional right to secession with the intention of helped make disunion a reality. The proslavery argument was also central to the growth of political separatism in America. Regardless of the individual political beliefs of proslavery writers, their works were crucial in the construction of a separate Southern identity based on slavery.