Once the Cold War had begun, what new challenges might the United States have faced?

Although a number of things brought about world war one there was one even that push to europe over the edge. what was that event?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period?

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.