Which of the following statements about the Irish potato famine is true ?

Which statement describes the impact of the 21st amendment?

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.

What led to the swift population rise over the last two thousand years? check all that apply. increased food supply improved communication improved public health increased birth rates increased resistance to vaccines