<span>The North wanted the new territories to be free states, while the South wanted them to be slave states.
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I'd say the combustion engine, even though it was toyed with in the mid-west during the cowboy era, it wasn't until after the Civil War in which it was a fully effective gasoline powered engine.
I think it was Coronado. Hope it helped
An increase in military spending is most likely caused by war, or multiple wars, or incoming wars, or similar.
