Because the Frankish Kingdom is a huge land power country, they have no navy, let alone an inland river fleet.


    Located in the Italian region, the kingdom has always maintained a certain number of warships. The trireme warships inherited from the Greek and Roman era are still the absolute main force, but they have not encountered actual opponents.


    In other words, even if the strength is severely weakened, most of the large Christian ships cruising the Mediterranean Sea belong to Eastern Rome.


    The significance of the existence of Frank''s ocean warships is reflected in the


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