In a war of this order, sea power was the key to ultimate victory so long as either party could manage just to hold their own on land. If we maintain… - David Lloyd George

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In a war of this order, sea power was the key to ultimate victory so long as either party could manage just to hold their own on land. If we maintained control of the seas without actually breaking on shore, the Central Powers could in the end be starved into surrender... Potential famine was therefore the most powerful weapon in the army of the belligerents. As long as Britain kept her rule over the waves, neither she nor her Allies could be beaten by any shortage of food or essential material for waging war. On the other hand, the Central Powers could not win if they were cut off from the resources of the great world outside. It was a ruthless calculation, but war is organised cruelty. Those who think they can restrict its barbarities will find in the end that savagery is of its essence and that civilised warfare only means that men have changed the instruments and methods of torture.