Describe the sinking of the lusitania and it's effects on american public opinion at the time

The sinking of Lusitania was a public relations nightmare for Germany as public opinion in the United States turned against them. ... In April 1917, the United States Congress voted to declare war on the Central Powers and entered World War I. The U.S. still doesn't enter the war, but is now ready.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.