According to jefferson, what is the “sacred principle” of american constitutional government?

In Jefferson's first inaugural address, he states that the "sacred principle" is that the will of the majority must always "prevail." The US Constitution created a system in which US citizens have the ability to pick their representatives. That's why it is imperative that the majority rules concept applies at all time, as this represents the views of most citizens in the US. Failure to abide by the will of the majority could result in revolution.

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.