Margaret sanger was significant to american social and cultural life in the 1920s as a promoter of
a) temperance.
b) the "debunkers."
c) progressive education.
d) movies.
e) the birth-control movement.

She was best known for starting thr "birth control movement."

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.