Select the correct answer from each drop-down menu.
In 1858, the two candidates for US Senator from (Missouri, Kansas,& Illinois) were (Dred Scott, Henry Clay. Abraham Lincoln) and (John Bell, Stephen Douglas,& David Wilmot) . In their campaign debates, they argued about(Slavery, Secession, Sectionalism) in new western states.

What two different approaches did the knights of labor and the american federation of labor take in building a union organization? a) the knights of labor accepted only unskilled workers; the american federation of labor accepted only skilled workers. b) the knights of labor accepted skilled and unskilled workers; the american federation of labor accepted only skilled workers. c) the knights of labor refused to accept african american or chinese workers; the american federation of labor accepted all workers. d) the knights of labor accepted workers from a single industry; the american federation of labor accepted workers from several industries.