I know this kind of has nothing to do with school but: How do you change the name that shows up when you ask or answer a question? (Ignore the subject, it just requires me to pick one.)

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.