Why does andrew johnson think this bill favors one group over another

How did many delegates from northern states at the constitutionalconvention view slavery?

President reagan believed the spread of communism in latin america was directly due to? a.guerrilla fighters. b.contras. c.terrorists. d.leftists.

What are three supporting points as to why opium was wrong in the chinese trade? why should it have stopped? (opium wars)