Whose enlightenment principles did thomas jefferson build upon when he drafted the declaration of independence?

a.
king george iii

b.
george washington

c.
john locke

d.
john adams

It was primarily upon the Enlightenment principles of "John Lock" that Thomas Jefferson built upon when he drafted the Declaration of Independence, since Locke was a firm believer in individual liberties and the "social contract." 

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.