How does this excerpt show president eisenhower apply democratic principles and values

Ineed a summary over the 6th amendment

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 statement is true of both presidential and parliamentary systems of government?