How did french nationalism end up german unification?

Which of the following statements is true about germany's use of u-boats?

In 1840 which route is the easiest to take to travel from baltimore, maryland, to vandalia, illinois? a-chesapeake and ohio canal. b-wilderness road c-national road d-erie canal

Respond fast need this answer asap still need to do about 3 pages of work to turn in tomorrow it be 2: 26am here