warning a German submarine torpedoes the ocean liner The Lusitania off the south
coast of Ireland. 1198 drowned. It sank within 20 minutes.
defended its actions by saying it had warned that any ship entering into the war
zone around Britain would be attacked. It was discovered that the ship was carrying
173 tons of war munitions for Britain.
number of further attacks by Germany against international vessels would eventually
cause the US to declare war on Germany, after the US had previously declared its