What causes changes in the economy over time?

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.

Which of these factors could have influenced the sacco and vanzetti case? check all that apply a. prejudice or distrust toward immigrants b. fear or anarchist violence c. distrust of those who did not seem to fully support the government

Historians sometimes rely on video recordings in researching past events because