A revelatory global history shows how cheap American grain toppled the world's largest empires

To understand the rise and fall of empires, we must follow the paths traveled by grain-along rivers, between ports, and across seas. In Oceans of Grain, historian Scott Reynolds Nelson reveals how the struggle to dominate these routes transformed the balance of world power.

Early in the nineteenth century, imperial Russia fed much of Europe through the booming port of Odessa. But following the US Civil War, tons of American wheat began to flood across the Atlantic, and food prices plummeted. This cheap foreign grain spurred the rise of Germany and Italy, the decline of the Habsburgs and the Ottomans, and the European scramble for empire. It was a crucial factor in the outbreak of the First World War and the Russian Revolution.

A powerful new interpretation, Oceans of Grain shows that amid the great powers' rivalries, there was no greater power than control of grain.

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