Answer:
Pioneer settlers were sometimes pulled west because they wanted to make a better living. Others received letters from friends or family members who had moved west. These letters often told about a good life on the frontier. The biggest factor that pulled pioneers west was the opportunity to buy land.
Explanation:
An oak tree means strength and independence.
1. Protect United states and its citizens.
2. Further American Interest in the world(such as advancing human rights).
3.Promote understanding of American values.
4. Support U.s government officials.
Yet, there was one way for Union forces to move into Confederate territory that ended up being a crucial part of the Civil War. The key was rivers, which served as avenues of invasion into the South. And, of course, what was the biggest and most important river for subduing the Confederacy? The Mississippi.