Which phrase best describes jacksonian democracy

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be the one having to do with the ideo of Jacksonian democracy seeking to increase the extent to which the voices of the "common man" in society can be heard and respected, as opposed to the voices of big business and the upper classes. 

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.