How did the War of 1812 contribute to an increase in U.S. manufacturing?

Responses

AThe war provided more resources for factories to increase production.
The war provided more resources for factories to increase production.
BThe war promoted trade between countries so that Americans could focus on fighting.
The war promoted trade between countries so that Americans could focus on fighting.
CThe war cut Americans off from their previous supply of imported manufactured goods.
The war cut Americans off from their previous supply of imported manufactured goods.
DThe war limited transportation in America, making it necessary to import manufactured goods.

CThe war cut Americans off from their previous supply of imported manufactured goods.