During World War II, if Germany had 100 warships, including 50 large warships and 5 large aircraft carriers, would it be no suspense to fight Britain with submarine troops?

Almost. To tell the truth, German shipbuilding is powerful, which stems from Germany's exquisite manufacturing industry, but the navy is really not strong. Like Bismarck and Shannhost, they all fought tragically until the last moment, so that Tirpitz and Gnesino dared not fight and waited for their own demise, so the British also bravado at sea. If the German navy becomes strong and the Royal Navy is destroyed first, the British will have no chance to sing.