What argument used to justify slavery also served to question the fairness of northerners

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

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.

Violence or the threat of violence carried out for political purposes is called a) glasnost b) terrorism c) perestroika d) stagflation