what are the political and social trends from westward expansion

Answer 1

http://www.google.com/search?q=US+westward+expansion&rlz=1C1GGGE_enUS379US379&aq=f&sugexp=chrome,mod=10&sourceid=chrome&ie=UTF-8

and

http://en.wikipedia.org/wiki/Westward_Expansion

Read carefully, including the references and external links at the bottom of this webpage.

Let us know what you decide to write.