As a result of the adams-onís treaty,

a. the united states extended its border.

b. spain gained control of florida.

c. britain gave texas to the united states.

d. spain gained control of the oregon country.

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.