Answer:
"In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade."
Explanation:
my source was :
https://www.history.com/news/transcontinental-railroad-changed-america#:~:text=It%20made%20commerce%20possible%20on%20a%20vast%20scale.&text=In%20addition%20to%20transporting%20western,railroad%20also%20facilitated%20international%20trade.
