After the u. s. withdrawal from vietnam, what happened to the division of the north and south?
a. north vietnam fell to south vietnam.
c. the north and south came to a truce.
b. south vietnam fell to north vietnam.
d. vietnam was never divided into the north and south.

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.