Simplify the following text for a Grade 8 native English-speaking person.
Original: At the same time , the Hala ` ib Triangle north of latitude 22 Â north , and northeast of the area , came under Sudanese administration , because the tribes of this area were based in Sudan .
Simplified: At the same time , the Hala ` ib Triangle north of latitude 22 Â north , and northeast of the area , came under Sudanese administration . This was because the tribes of this area were based in Sudan .