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By passenger ship, like all the other migrants of that time.
In the WWI the Germans torpedoe'd a US civilian ship In WWII The Japanese bombed Pearl Harbour.... Basically the US didnt go into the wars until the opposing side bombed them
because the Germans bombed the lucitania, whic hwas a ship carrying lots of Americans to Britain. They were cross with the Germans for killing their people so joined the war.
The Germans sunk several ships while Wilson was President, but the most momentous sinking so far as the US was concerned was the sinking of the passenger ship, The Lusitania by German U-boats on May 7, 1915, killing 1198.
During the course of WWII, the US bombed & torpedoed MANY Japanese Warships.
One of the main reasons the US entered World War I on the side of the allies was because the Germans had sunk the Lusitania, a passenger ship containing many Americans.
The British cruise liner Lusitania
The Germans had destroyed a US ship carrying cargo and passengers after the US told them not to touch their ships. The US was so mad that they fought against the Germans in the war.
the Lusitania
The Lusitania. It's destruction sped up the end of American neutrality and propelled us toward entering the war on the side of the English and French allies.
None. The Japanese bombed Pearl Harbor in Hawaii. The US declared war on Japan and since Germany was their ally, the Germans declared war on the US, too.
There is but one example. A US Ship in Bari harbour Italy in 1943 was carrying Mustard shells. It was bombed by the Germans & Mustard was in the water burning the survivors. Gas was never used in combat.