https://www.adda247.com/question-answer/a-rapid-courier-system-established-by-chengiz-khan-was-known-as/q.v1.57aff720-79fe-46e0-977f-70aff353f9b4-en
The rapid courier system established by Chengiz Khan was known as Yam. Yam was the sophisticated and highly efficient postal and logistics network used by the...
chengiz khanrapidcouriersystemestablished