Answer:
La historia de las matemáticas es el área de estudio de investigaciones sobre los orígenes de descubrimientos en matemáticas, de los métodos de la evolución de sus conceptos y también en cierto grado, de los matemáticos involucrados. El surgimiento de la matemática en la historia humana está estrechamente relacionado con el desarrollo del concepto del número, proceso que ocurrió de manera muy gradual en las comunidades humanas primitivas. Aunque disponían de una cierta capacidad de estimar tamaños y magnitudes, no poseían inicialmente una noción de número. Así, los números más allá de dos o tres, no tenían nombre, de modo que utilizaban alguna expresión equivalente a "muchos" para referirse a un conjunto mayor.1
Explanation:
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Answer:
The reason why we need a system of currency exchange in order to conduct international trade is because different countries use different types of currency. They do so because national sovereignty allows each nation to establish its own currency. However, we need a system to pay for goods that are purchased from other countries. This is why the currency exchange system allows us to conduct international trade
Explanation:
The Umayyads were unable to conquer the nascent Christian Kingdoms in the North which included but were not limited to: Leon, Castille, the Basque Territories, and the Catalonian Counties. In addition, the Umayyads were not able to prevent the fragmentation of their territory into the Taifa Kingdoms in 1038.
I'm going to have to go with A because I studied in all of them besides A Islam so I'm going with A
Zheng He<span> was the eunuch admiral who led Yongle's expeditions, </span>zheng he was a muslim<span>, throughout his </span>travels<span>, </span>zheng he<span> gave gifts of chinese silk, porcelain, etc. to ...</span>
