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Aztec hierarchy by this understanding was not of the type "where a unit of one type – the capital – controls subordinate units of another type" [8] but instead a type where the main unit is composed out of several constituent parts.
Tlalcuahuitl [t͡ɬaɬˈkʷawit͡ɬ] or land rod [1] also known as a cuahuitl [ˈkʷawit͡ɬ] was an Aztec unit of measuring distance that was approximately 2.5 m (8.2 ft), [2] 6 ft (1.8 m) to 8 ft (2.4 m) [3] or 7.5 ft (2.3 m) long. [3] The abbreviation used for tlalcuahuitl is (T) and the unit square of a tlalcuahuitl is (T²). [1]
The main unit of Aztec political organization was the city-state, in Nahuatl called the altepetl, meaning "water-mountain". Each altepetl was led by a ruler, a tlatoani, with authority over a group of nobles and a population of commoners. The altepetl included a capital that served as a religious center, the hub of distribution and organization ...
A system of units of measurement, also known as a system of units or system of measurement, is a collection of units of measurement and rules relating them to each other. Systems of measurement have historically been important, regulated and defined for the purposes of science and commerce .
The word Aztec in modern usage would not have been used by the people themselves. It has variously been used to refer to the Aztecs or Triple Alliance, the Nahuatl-speaking people of central Mexico prior to the Spanish conquest, or specifically the Mexica ethnicity of the Nahuatl-speaking tribes (from tlaca). [7]
The systems formalised the concept of a collection of related units called a coherent system of units. In a coherent system, base units combine to define derived units without extra factors. [4]: 2 For example, using metre per second is coherent in a system that uses metre for length and second for time, but kilometre per hour is not coherent.
A characteristic Nahua mode was to imagine the totality of the people of a region or of the world as a collection of altepetl units and to speak of them on those terms. [7]: 36 The concept is comparable to Maya cah and Mixtec ñuu. Altepeme formed a vast complex network which predated and outlasted larger empires, such as the Aztec and Tarascan ...
Portrait of Acamapichtli, the first Aztec King. Ruling positions were not hereditary, but preference was given to those in the "royal families." Originally pipiltin status was not hereditary, but as the sons of pillis had access to better resources and education it was easier for them to become pillis. Later, the class system took on hereditary ...