B) a water route to north america
Answer: interviewing people in the news
Explanation: because that would lead to more political endorsement and knowledge of today's world.
Heres my guesses.
1. the river was too rapid and the soldiers would get flushed away
2. it flooded?
3. they lacked the utilities to cross the river
4. keep in mind vicksburg is in mississippi so they might have been confronted with a wide river.
5. lack of soldiers?
Answer:
It would be C because of the history of the revolution.