How did the japanese invasion to unify china?
a. the japanese supported the guomindang, unifying political power under one group.
b. the communists and guomindang formed a united front to fight the japanese.
c. the japanese took control and unified all of china under one political power.
d. the communists worked with the japanese to win over chinese peasants.

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.