The U.s tried to remain neutral however, little things the opposing sides did began to change their stance. Britain propaganda, the sinking of ships by German U-boats, the final thing that pushed them over the edge was the "Zimmerman" note. A note that tried to get Mexico to declare war on the U.s.
Italy's location made it easy for Roman ships to reach the other lands around the sea. The two main mountain ranges helped protect Rome and its large plains made it easier to farm the lands.