It was a severe miscalculation. First, Germany already had a strategy to win the war - beat Russia first - and any attempt to knock out Britain at the cost of i

It was a severe miscalculation. First, Germany already had a strategy to win the war - beat Russia first - and any attempt to knock out Britain at the cost of involving the US was a major distraction. Second, even if US troops took longer to arrive, the US Navy was ready to help defeat the submarine campaign right away [1]. [1] https://www.history.navy.mil/research/library/online-reading-room/title-list-alphabetically/b/baylys-navy.html https://www.history.navy.mil/research/library/online-reading...