Why don't I have the achievement "The Silk Road"

[Maksom]

Why don't I have the achievement "The Silk Road"

 

[claudiupb]

Do you have any active mod? You can't get achievements with any mod.

 

[Maksom]

No, I haven't even installed any on this computer.

 

[BlackWizard]

Do play in offline? I you have steam offline you cant gets achis

 

[Ravellion]

Silk Road
Connect to the Arabs, China, India, the Mongols, and Persia at the same time using Caravans.

I think it might be because you are the Arabs yourself. You need to connect to those civilizations as a sixth, different civilization.