The harsh, tough desert warriors of the Arab armies were able to quickly suppress the softer, more comfort dependent armies o the Byzantines and Persians.
The climate of Mesopotamia is Arid.
New Mexico has an arid and semi-arid climate.
Mongolia is the only country with an entirely arid climate. The climate of Mongolia is entirely cold and arid that makes it suitable for transhumant grazing.
Arid & Semi-Arid
the climate is arid
arid sere
the climate is arid
The largest hot and dry country is Saudi Arabia. It has a predominantly arid climate with desert landscapes and high temperatures, especially in the summer months.
arid
arid
arid
Much of Southwest Asia has an arid or semiarid climate. (Mostly arid though)