world+war+1sg

When the Lusitania sank it was shown how uncivilized the Germans were in the war a German submarine called the U-20 sank the Lusitania, killing 1195 people including 128 americans after the attack on the ship two years later it made a change in american attitudes and it set the stage for the american entry into the war. and it changed the //united states// forever. and it also created the// Zimmermann Telegram.// Which a german official created to go to war with the United States//.//