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[[Category:Ancient History]] [[Category:History of Science and Technology]] [[Category:Economic History]]
{{Contributors}}<div class="portal" style="width:85%;">==Related DailyHistory.org Articles== *[[How has the Role of Horses Changed in Human Societies?]]*[[How did Navigation Develop in the Ancient World?]]*[[How did ancient Professional Armies develop?]]*[[How did Early Empires facilitate the Rise of Investment Banking?]]</div>