One of the most dramatic effects of the war was the expansion of governmental powers and responsibilities in Britain, France, the United States, and the Dominions of the British Empire.
Salah satu dampak paling dramatis setelah perang adalah perluasan kekuasaan pemerintah dan tanggung jawab di Britania, Prancis, Amerika Serikat, dan Jajahan Imperium Britania.