How could a bunch of desert nomads conquer such large territories?

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>>3128554
>conquer
*liberated

alot of people welcomed Arab and Islamic rule over inferior Byzantcuck and Perscuck that had overtaxed and shat on them for centuries

everything from the people of Syria and Egypt opening the gates to them to the Lakhmids of Mesopotamia even joining their assault cause of the Perscucks awarding their loyalty by invading and killing their King

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>70% desert

>>3128585
They also controlled 29% of the worlds population

>>3128554
Politic unstability, the reason for any nomad ever achieving something.

>>3128554
The hand of God

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>>3128554
they had god on their side

Basically this >>3128554

And warfare and traversing long distances across the deserts was always a part of life for the Arab tribes. The Byzantine & Sassanid empires couldn't deal with the desert, it always fucked them up any time they tried to go into it. This was the Arabs' home, however, so the Arabs were more than cool with taking armies across. The sedentary populations, especially in the Byzantine Empire, had basically zero military experience, so pit them against a buncha Arab tribes drugged up on Abrahamic religion and they have zero chance.

>>3129112

woops I meant "Basically this >>3128578 "

>>3128596
utter horseshit
china alone had more people back then

When you have a general like Khalid ibn al-Walid on your side, it really doesn't matter how much disadvantaged your are.

>>3128554
Plague of Justinian
The Persian War totally wrecking the Roman and Sassanid economies
Dynastic/civic strife in Persia, religious and demographic strife in Rome
Motivated armies and capable commanders

These desert nomads were the cousins of desert tribes that worked as mercenaries for the Roman and Persian empires.

>>3129117
Wikipedia says so. Probably many other sources as well

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>>3129110
Based Khalid

>>3129117
>>3128585
Underage

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How could a bunch of barely literate peasants conquer such large territories?

>>3129183
>>3129763
I'd really recommend the book written about him. It goes into such detail about him and what made him the greatest general back then.

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>>3130434
But they were stopped https://en.wikipedia.org/wiki/Umayyad_campaigns_in_India

Why in india?

Islamic conquests of Egypt and the Levant were greatly aided by the fact that national identities didn't go away under Roman domination. Egypt and the Levant resented being under the thumb of upstart Constantinople when they both had their own regional identities represented by the Alexandrian/Antiochene schools. The fact that there were hundreds of years of unrest and controversy over theological minutiae wasn't because the average commoner was personally invested in the question of the metaphysical nature of the deity, but because their regional school was an outlet for protests against control by Rome/Constantinople.

At the time of conquest they had only just been returned to Roman dominion, after a several decade occupation by the Persians. They had just found themselves resubjected to oppressive Roman taxes, when the Muslims came and exchanged their old system for the new hands off government of nomadic barbarians. It was not unlike the Ostrogoth conquest of Italy. They may have want to resist their conquerors, but they couldn't stand on their own, and weren't going to rebel just to go back to Roman control.

>>3131185
>the book

what book?