What was the effect of labor reform movements in the early 1800s?

When did paul zoll develop cardiac pacemaker

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.

What are the purposes of a political cartoon? check all that apply.