The battle of the alamo supported the texan revolution by a. strengthening the texan army. b. showing that a few texans could defeat a large army. c. causing santa anna to retreat to mexico. d. inspiring texans to win their independence.

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.