The correct answer is A) building shelters.
The pioneers’ first priority was building shelters.
Life was difficult for pioneers who decided to leave their former lands and travel to the west in the time if US history called "the westward expansion." The Oregon Trail was also a difficult road to cross. Many people could complete it. Hunger was a major issue.
Pioneers had to build their shelters to endure climate conditions, clear the land for farming. However, the opportunity to have their own portion of land motivated many farjmers, former slaves, and immigrants.
Answer:
D. Lincoin begins negotiating with Confederate leaders to end the Civil War peacefully.
C
Because immigrants were not safe and were not treated good at that time
NO they wouldn't. Think about it if your neighbors are fighting would you get in it no unless they started messing with your stuff