Answer :
According to the biblical book of Genesis, Abraham left Ur, in Mesopotamia, because God called him to found a new nation in an undesignated land that he later learned was Canaan. He obeyed unquestioningly the commands of God, from whom he received repeated promises and a covenant that his “seed” would inherit the land.
In 4Q252, on the other hand, Abraham first left Ur for Haran at the age of 70, and, after spending five years there, he departed from Haran at the age of 75, heading for Canaan. In other words, although the starting point of the first departure is different.
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