During the abbasid dynasty, what event marked the permanent end of the caliphate? a)the umayyads took over and established a different kind of government. b)mongols entered the city of baghdad and killed the caliph. c)the fatimids took power and established a new capital in kabul. d)the abbasids themselves declared an end to the caliphate.

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.