How many colonies signed the declaration of independence

Need this !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 is the connection among sectionalism,slavery,and states’right as causes of the civil war? how did the southern response to the 1860 election results demonstrate this connection

What happened as agriculture became entrenched in the south ?