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Geopolitics · Military Strategy · Naval Blockades · Resource Scarcity
Historical evidence confirms naval blockades are highly effective in warfare, significantly impacting resource availability and forcing strategic shifts, as demonstrated by British actions against France and Germany, and US actions against the Confederacy and Cuba.
These blockades, often requiring a large and capable navy, have historically proven to be war-winning factors by dramatically increasing societal impact and creating crippling shortages. For instance, the British blockade of Germany in World War I led to starvation, prompting Germany's doomed unrestricted submarine warfare and American entry into the conflict.
Similarly, the British blockade during the Napoleonic Wars forced Napoleon's Continental System, leading to costly interventions in Portugal and Russia. An American oil embargo on Japan in 1941 also compelled Japan to initiate the Pacific War.
Beyond direct resource denial, blockades foster naval dominance by keeping the blockading fleet active and trained, while the blockaded fleet stagnates, as seen with the Royal Navy's superiority over continental navies.
