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D: U-Boats sank many ships in the Caribbean during ww
It sank up to 2,779 ships in world war 2
Because the Germans sank several ships carrying the Brazilian flag.
Only one US submarine sank in World War One.
In World War II, German U-boats sank many ships off the coast of North Carolina.
German U-Boats sank over twenty-four ships off of Florida's Atlantic and Gulf Coasts during World War 2.
The German U-boat Captain who sank the most enemy ships in World War II was Otto Kretschmer. He sank a total of 47 ships (274,333 tons in total)His submarine was sunk on March 17, 1941 and he spent the rest of the war as a prisoner of war in Canada.
4 ships were torpedoed in World War 1.
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Germany sank many American merchant ships around the British Isles which prompted the American entry into the war.
103 merchant ships were sunk in world war one