Answer: over twenty-five million
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Answer:
The fall of the Western Roman Empire occurred in 476 AD
Explanation:
During the fifth century, the Roman Empire was completely exhausted. Already at the beginning of the century, barbarian tribes began to invade Italy as well. As early as 410 AD, the Visigoths invaded Rome and devastated it for days, which was the first symptom of the collapse of the then unbreakable empire. The weakening of the Roman continued in continuity so that the Romans came into conflict with the Hun tribes. In 451, one of the greatest and bloodiest battles of Roman history took place. True, the result of the battle in the Catalan fields belonged to Rome, but with dire consequences. Only four years after this battle (455.), the Vandals will plunder the "eternal city." All these events will weaken Rome economically, militarily and politically. The last Roman emperor was Romulus Augustus, who was overthrown by German military commander Odoakar and proclaimed king of Italy. Thus, in 476, the largest empire in history ceased to exist.
When we talk about the fall of the Western Roman Empire, we have to look back to the events before 476 AD. The fall of the Roman Empire is not an event that happened "overnight." The causes go back a long way, so for the decline of the Roman Empire, we can say that it is a continuous and long-term process that culminated in 476 AD. Therefore, at the time of the fall, the authorities could do nothing to prevent the Roman Empire from collapsing, an opportunity that led to this event much further into the past. The fact that the Roman rulers were helpless at the time of the fall is also indicated by the fact that Odoakar did not liquidate the last Roman emperor but sent him into retirement (with a very large pension), which means that he did not pose any threat to him. Finally, it is important to point out that the fall of the Roman Empire in world historiography was taken as the beginning of a new period in history, the early Middle Ages.
Answer:
al-Khawarzmi.
Explanation:
Muhammad ibn Musa al-Khawarzmi born in c. 780 in Khwarezm, was known to be a famous Persian polymath with great works in various fields such as geography, astronomy and mathematics. One of the notable position held by al-Khawarzmi is being appointed as head of the library of the House of Wisdom in Baghdad, Iraq.
Basically, in his work titled "The Compendious Book on Calculation by Completion and Balancing" he introduced the first solution to linear and quadratic equation by using the completing the square method. Consequently, he is considered to be the father of algebra based on the introduction of the reduction and balancing methods for solving algebraic equations.
Hence, al-Khawarzmi was the Muslim to form the concept of algebra with respect to his book titled "Hisab Al-jabr w'al-muqabala."
