Because of arabia's location, its people were relatively free from the influence and power of the empires to the east and west, which allowed them to

use the element of surprise to attack the empires.

act as a trading post for both empires.

collapse without any kind of powerful leader.

keep their architectural techniques a secret.

Because of Arabia's location, its people were relatively free from the influence and power of the empires to the east and west, which allowed them to : Act as a trading post for both empires

Because of this neutralities, Arabia managed to gained more profit since they can distribute their resources in to trade with more clients

hope this helps