The Columbian Exchange was a transfer of people, goods, and ideas between . the Eastern and Western hemispheres

Asia and the Americas

Africa and the Americas

the Northern and Southern hemispheres

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.