Desire of the railroad companies to build rail lines on a deal of new land that open up to whether it was for the "free" or "slaves" .
Answer:
It is easier to travel because you only need a driver's liscense to travel domestically, but you need a passport to travel internationally. Also, the security lines are shorter if you travel domestically.
Answer:
Battle of Hampton Roads
Explanation:
Battle of the Monitor and Merrimack, also called Battle of Hampton Roads, (March 9, 1862), in the American Civil War, naval engagement at Hampton Roads, Virginia, a harbour at the mouth of the James River, notable as history's first duel between ironclad warships and the beginning of a new era of naval warfare.