Which of the following events resulted in public outrage in the United States against the Germans during World War I?

the German invasion of Poland

the sinking of the British ocean liner Lusitania

the assassination of Archduke Franz Ferdinand

the bombing of Pearl Harbor

An event that resulted in public outrage in the United States against the Germans during World War I was;

B) the sinking of the British ocean liner Lusitania

A German submarine torpedoed the British passenger liner Lusitania that was en route from New York City to London. So in response, Wilson broke off diplomatic relations with Germany.