Why did u. s. economic interests make it unlikely that the united states would stay neutral in world war i? u. s. businesses sold war materials to the allies. u. s. banks loaned billions of dollars to the central powers. u. s. businesses employed immigrants from allied countries. u. s. banks sold war bonds to citizens from the central powers.

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.