Explanation:

On May 7, 1915 the Lusitania was approaching the coast of Ireland. The voyage was almost over, but it had reached its most dangerous point. It was soon spotted by the German u-boat U-20. The u-boat moved in to attack and fired a torpedo. A lookout on the Lusitania spotted the wake of the torpedo, but it was too late. The torpedo made a direct hit on the side of the ship and a huge explosion was felt throughout the ship