Answer: C. 4 months
Step-by-step explanation:
Sarah Raymond left Missouri around a month after the American Civil War and headed to Montana with her family as they hoped to go to a place where they could make a better living.
She wrote a diary that chronicled her journey in what has been described as a very concise work that allows people today are able to get great insight into the happenings of Sarah's time.
The journey took 4 months to complete and saw them end up in Virginia City, Montana.