We could say that the growth of the cotton industry and the expansion of slavery into new states such as Alabama and Mississippi this ended hope's for a very gradual end to slavery so its opponents had the necessity to stop it from spreading to the new lands of the Louisiana Purchase. However, by the year of 1818 the northern states had a majority of growing immigrants in the House.
I would say the answer is D.
Douglass drew on the custom of natural law in his argument
against slavery. The past of Western equality and political belief places a strong
importance on fairness and social development, which Douglass contended must
have successively prejudiced the general ideas of America’s founding documents.
According to Douglass, slavery also opposed the formation story of the
Christian Bible, which states God “hath made of one blood all lands of men for
to live on all the face of the earth.” According to Douglass, the Bible’s assertion
of worldwide brotherhood, produced it to become a natural law that would have
affected the framers' conscripting of the Constitution.
The Northeast Corridor was built by several railroads between the 1830s and 1917. The route was later consolidated under two railroads: the New York, New Haven and Hartford Railroad (NYNH&H) between Boston and New York, and the Pennsylvania Railroad (PRR) between New York and Washington.