Answer and explanation:
<u>Introduction
</u>
First of all, when talking about the Islamic Empire, it's necessary to go back to the birth of Islam in the year 610 CE, geographically locating ourselves in Mecca, where Saudi Arabia is located nowadays. The Islam was born by the hand of Muhammed, after his many territorial conquests.
Subsequent to his death, the so-called golden age of Islam began, and shortly after its expansion took place.
(Document A, provided by the website "Ducksters" on its history category. https://www.ducksters.com/history/islam/ )
<u>Expansion</u>
The expanse of the Islamic Empire happened during the middle age and turned into one of the largest empires to ever exist, rapidly conqueering both Palestine and Mesopotamia territory. By the year 640, Alexandria was a major target and Islamic army took about two years in order to win this territory. Finally, after these lands had been successfully occupied, it was the turn of Northern Africa.
(Document A, provided by the website "Ducksters" on its history category. https://www.ducksters.com/history/islam/
Document B, provided by the website "Khanacademy". https://www.khanacademy.org/humanities/world-history/medieval-times/spread-of-islam/a/the-rise-of-islamic-empires-and-states)