cause or effect : The sinking of the USS Lusitania

Answer 1

Cause: The sinking of the USS Lusitania by a German U-boat on May 7, 1915.

Effect: The sinking of the USS Lusitania played a significant role in the decision of the United States to join World War I. The event created outrage in the United States and led to increased anti-German sentiment. It also highlighted the dangers of unrestricted submarine warfare and civilian casualties, prompting international condemnation. The sinking of the USS Lusitania ultimately contributed to shifting public opinion in the United States and played a part in the country's eventual entry into the war in 1917.