 During the period of Persian imperial rule in the region ( c . 550 – 330 BCE ) , the Qedarites exercised control over the desert areas bordering Egypt and Israel and the traffic related to Arabian incense trade upon which Gaza depended . Herodotus ( c . 484 – 425 BCE ) writes of their presence in the northern Sinai near the Egyptian border where they may have been engaged by the Achaemenids , the Persian imperial authorities , to keep that border secure as well as their control of the city of Gaza . 
 During the period of Persian imperial rule in the region ( c . 550 – 330 BCE ) , the Qedarites<a href='been_done' title='1'><mark></mark></a> exercised control over the desert areas bordering Egypt and Israel and the traffic related to Arabian incense trade upon which Gaza depended . Herodotus ( c . 484 – 425 BCE ) <a href='uninflect' title='2'><mark>writes</mark></a> of their presence in the northern Sinai near the Egyptian border where they may <a href='been_done' title='3'><mark>have</mark></a> been engaged by the Achaemenids , the Persian imperial authorities , to keep that border secure as well as their control of the city of Gaza . 
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