The promise made by Germany to refrain from sinking merchant ships, in order to avoid drawing the United States into World War I, was known as the Sussex Pledge. This agreement came after the sinking of the French passenger ferry SS Sussex in 1916, which had resulted in American casualties. Germany's commitment aimed to prevent escalating tensions with the US, although it ultimately failed to stop American involvement in the war.
The convoy system was used to prtect American ships carrying materials to Great Britain in 1940 and 1941. These merchant ships were protected by American Warships.
Germany resumed attacking American merchant ships
Neutrality Patrols
It violated an international treaty stipulating that military vessels must reveal their intentions to merchant ships and make provisions for the safety of the targeted ship's crew and passengers before sinking it.
Because of the sinking of 12 American merchant ships
Sinking merchant ships.
german u boats were sinking us merchant ships
"Guerre de Course", sinking merchant ships (commerce raiding).
Barbary corsair attacks on American merchant ships and French seizures of American merchant ships
Frederick C. Matthews has written: 'American merchant ships, 1850-1900' -- subject(s): History, Merchant marine, Merchant ships, Ships
World War 1.
The German telegram to Mexico and the sinking of U.S. merchant ships "apex"
German U-Boats destroyed American merchant ships
When Germany starting cutting off Britains food supply by sinking their merchant ships, the U.S sent over their own merchant ships to Britain.
WWI; Guerre de Course-Merchant Raiding aka Commerce raiding.
privateers