Why vernacular literature eventually became the preferred way to produce books

The reason why the vernacular literature eventually became the preferred way to produce books is because the "vernacular" was a type of language usage that "common people" could understand and relate to--making this type of language much more profitable to write in, since more people were prone to buy and read the books.

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.