Answer :

I'm pretty sure the answer is Bedouins. 

source:
https://quizlet.com/34904775/flashcards

The correct answer to this open question is the following.

A group of nomadic herders who lived in Southwest Asia was the Beduins.

This group of people was among the first who inhabited the Arabian peninsula. These Arabs were nomads that learned to survive in the harsh conditions of that desertic region between the Middle East and the Arab peninsula. Today, they live in parts of Iraq, Yemen, Saudi Arabia, Jordan, Egypt, and Oman, Most of these people are considered to be Sunni Muslims.