How did stephan douglas achieve passage of the compromise of 1850?

A slave who was taken to a free territory when his master moved there. Since slavery was outlawed in the territory, Dred sued his master for his freedom. ... It also said that the US government couldn't tell people whether or not they could own slaves.

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live