The first articulation of a "Pax Americana" occurred after the end of the American Civil War (in which the United States both squashed its greatest disunity and demonstrated the ability to field millions of well-equipped soldiers utilizing modern tactics) with reference to the peaceful nature of the North American geographical region, and was abeyant at the commencement of the First World War. Its emergence was concurrent with the development of the idea of American exceptionalism. This view holds that the U.S. occupies a special niche among developed nations in terms of its national credo, historical evolution, political and religious institutions, and unique origins. The concept originates from Alexis de Tocqueville, who asserted that the then-50-year-old United States held a special place among nations because it was a country of immigrants and the first modern democracy. From the establishment of the United States after the American Revolution until the Spanish–American War, the foreign policy of the United States had a regional, instead of global, focus. The Pax Americana, which the Union enforced upon the states of central North America, was a factor in the United States' national prosperity. The larger states were surrounded by smaller states, but these had no anxieties: no standing armies to require taxes and hinder labor; no wars or rumors of wars that would interrupt trade; there is not only peace, but security, for the Pax Americana of the Union covered all the states within the federal constitutional republic. According to the Oxford English Dictionary, the first time the phrase appeared in print was in the August 1894 issue of "Forum": "The true cause for exultation is the universal outburst of patriotism in support of the prompt and courageous action of President Cleveland in maintaining the supremacy of law throughout the length and breadth of the land, in establishing the "pax Americana"."