PLZ HELLLP!!! Compare the emergence of advanced civilizations in Meso and South America with the four early river valley civilizations.

In contrast to the Egyptian civilization, the Aztec civilization had many of which of the following?

temples
slaves
farms
craftsmen

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.