The total area of alexander iii’s empire stretched from
a(greece to the indus river.
b(macedonia to the black sea.
c(macedonia to the persian gulf.
d(greece to the mediterranean sea

A greece to the Indus river.

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.