Aztec Civilisation
Garrisons were established in the larger cities,—probably those at a distance, and recently conquered,—to keep down revolt, and to enforce the payment of the tribute.1 Tax-gatherers were also distributed throughout the kingdom, who were recognised by their official badges, and dreaded from the merciless rigour of their exactions. By a stern law, every defaulter was liable to be taken and sold as a slave. In the capital were spacious granaries and warehouses for the reception of the tributes. A receiver-general was quartered in the palace, who rendered in an exact account of the various contributions, and watched over the conduct of the inferior agents, in whom the least malversation was summarily punished. This functionary was furnished with a map of the whole empire, with a minute specification of the imposts assessed on every part of it. These imposts, moderate under the reigns of the early princes, became so burdensome under those at the close of the dynasty, being rendered still more oppressive by the manner of collection, that they bred disaffection throughout the land, and prepared the way for its conquest by the Spaniards.
Communication was maintained with the remotest parts of the country by means of couriers. Post-houses were established on the great roads, about two leagues distant from each other. The courier, bearing his despatches in the form of a hieroglyphical painting, ran with them to the first station, where they were taken by another messenger, and carried forward to the next, and so on till they reached the capital. These couriers, trained from childhood, travelled with incredible swiftness; not four or five leagues an hour, as an old chronicler would make us believe, but with such speed that despatches were carried from one to two hundred miles a day.2 Fresh 
Fishes
From an ancient MS. fish was frequently served at Montezuma's table in twenty-four hours from the time it had been taken in the Gulf of Mexico, two hundred miles from the capital. In this way intelligence of the movements of the royal armies was rapidly brought to court; and the dress of the courier, denoting by its colour that of his tidings, spread joy or consternation in the towns through which he passed.3
But the great aim of the Aztec institutions to which private
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