As the world was changing, there were many efforts and agreements made to deal with the political crises that were arising.  Explain what these efforts were and why they were largely unsuccessful.

How did the war of 1812 contribute to an increase in u.s. manufacturing? a) the war provided more resources for factories to increase production. b) the war promoted trade between countries so that americans could focus on fighting. c) the war cut americans off from their previous supply of imported manufactured goods. d) the war limited transportation in america, making it necessary to import manufactured goods.