sentences:  It is said that Zaynab, knowing of Abu Bakr's fondness for the desert life and his own reluctance to cause unwarranted bloodshed, advised Yusuf to confront Abu Bakr in a firm but courteous manner, and mollify him with luxurious presents.This Yusuf did, and the meeting passed without incident.Abu Bakr returned to the Sahara, but in a continuing homage his name remained on Almoravid coinage until his death some years later.