With this, we are introduced to a unique American contribution to political science: dual federalism and dual sovereignty. The states are sovereign w… - Harry V. Jaffa

The principles upon which this nation was founded are those upon which its survival, no less than its prosperity, depend. These are the principles upon which we believe our freedom and prosperity as individuals, and that of our children depend. These principles are simple and familiar enough for anyone to understand who wishes to understand. Selfish motives, miseducation, or ideological blindness may lead some to deny or disparage them. But nothing can obscure their shining truth... Lincoln at Gettysburg said that the nation, at its birth, had been dedicated to the proposition that all men are created equal. Earlier, Lincoln had said that the proposition of equality was the 'central idea' of the founding, from which all its minor thoughts emanated.

While slavery meant Egypt, and slavemasters meant Pharoah, America itself remained the promised land. The slaves knew that it was not in Africa, Europe, or anywhere else that a nation had been founded upon the self-evident truth that all men are created equal. It was their destiny to cross over jordan here, and to make their decisive contribution to the human story here, by partaking of that new birth of freedom that alone could vindicate the cause of all human beings everywhere.

The seven states of the Deep South, the same seven states that seceded after Lincoln's election and before his inauguration, demanded as a plank in the Democratic platform, without which they would not support Douglas, a slave code for the territories.