Which best describes the link between the second great awakening and the abolitionist movement?

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 idea that the Second Great Awakening "opened peoples' eyes" to many of the social horrors that were taking place at this time, such as slavery, since this movement was about painting these issues as ones that would be "out of favor" with God. 

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.