Explanation:
Plato and Aristotle are the two most important Greek philosophers. Their work has been the main focus of interest for students of philosophy and specialists.
Answer:
The political power of the Abbasids largely ended with the rise of the Buyids and the Seljuq Turks in 1258 CE. Though lacking in political power, the dynasty continued to claim authority in religious matters until after the Ottoman conquest of Egypt in 1517.
Answer:
introducing zero as a placeholder
Explanation:
The Maya were one of the earliest ancient nations to employ the concept of zero, allowing them to write and compute vast sums.
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Answer:
Tarrifs
Explanation:
a tax or duty to be paid on a particular class of imports or exports.
