What was the name of the British ocean liner sunk by the by German U-boat U-20 on May 7, 1917, in an event that turned global public opinion against Germany?

What was the name of the British ocean liner sunk by the by German U-boat U-20 on May 7, 1917, in an event that turned global public opinion against Germany?

RMS Lusitania
RMS Olympic
RMS Aquitania
RMS Queen Mary
RMS Queen Elizabeth

The Answer: The correct answer is RMS Lusitania.