Deterrence that prevents the battle you wanted

Did Britain's overwhelming campaign fleet accidentally frighten every opponent out of declaring war?

Yes. Even after extensive mothballing, an active fleet of 834 ships makes deterrence so effective that the campaign produces no final battle.

Britain controls 216 provinces and fields a much larger navy than any rival, so the game's opponents avoid war. Widespread mothballing still leaves more than eight hundred active ships. Deterrence succeeds strategically but frustrates a player seeking combat. The campaign ends without the climactic naval battle its buildup seemed to promise. This is the strategic purpose of naval power in compact form: an enemy that decides against war can be a successful outcome even when no battle occurs.