The passage suggests that the Democrats knew the Dred Scott decision was coming because:
A. The Dred Scott decision was postponed until after the 1856 presidential election.
B. Stephen Douglas and other Democrats used their influence to manipulate the United State Supreme Court and President Buchanan.
C. The Dred Scott decision was widely accepted only in the states where the Democratic Party was the majority.
D. The Dred Scott decision mimicked the platform of the Democratic Party.