How did the railroad facilitate population growth in the interior of the country?

Which event occurred in 1943 and to make the allied victory possible choose all answers that are correct

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?

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.