What happened as a result of the japanese attack on pearl harbor? the united states negotiated with japan in an effort to avoid war. the united states imposed trade restrictions on japan. the united states entered world war ii on the side of the allies.

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.