During the second world war, tehran, yalta, and potsdam were
(a) pivotal military victories for the allied nations
(b) decisive victories for the axis powers
(c) sites of nazi concentration camps
(d) sites of conferences held by the big th ree
(e) key beaches during the invasion of normandy

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.