Britain's requirements as a maritime world power differed from those of a continental industrial state. British trade and imperial survival depended on secure sea routes and choke points around the world. Planners could expect tension with Germany while still preparing for a South American crisis, renewed Russo-Japanese conflict, or war among Mediterranean powers. The Royal Navy therefore sought enough strength to contain several contingencies quickly instead of shaping its entire fleet around one opponent.
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British sea power beyond a German duel
Britain's fleet had to protect a global trading system and respond to crises well beyond northern Europe, not simply count capital ships against Germany.