What event led the leakeys to Search for clues to the human post at Olduvia groge in east africa for over 20 years.

6. why did louis xvi call a meeting of the estates-general in 1789? how long had it been since such a meeting had been called?

Which is true about pontiacs war in 1763

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.