B. american indians gained access to the land new englanders lived on
Answer:
The North had geographic advantages, too. It had more farms than the South to provide food for troops. Its land contained most of the country's iron, coal, copper, and gold. The North controlled the seas, and its 21,000 miles of railroad track allowed troops and supplies to be transported wherever they were needed.
Explanation:
Their thoughts can't be hundred percent sure without the diaries but they had thoughts on how much hardship they would have to go through the trip across mountains and rocky paths, they also had to survive with minimal resources, so their thoughts on this was probably brave and rough trip, they had no clue if they were gonna survive or what was gonna happen, they territory was unknown.
Paper and printing. Also the compass was a development from the Tang Dynasty as well