The growth emphasizes God's promise to make the descendants of Abraham inhabit the whole wide world.
Explanation:
After the famine and Joseph managed to save his family and the nation from it, Pharoah gave permission for Joseph and his family to reside in any land they want in Egypt. In the land of Goshen where they chose to live, the Israelites began to multiply rapidly. This is in accordance to the promise that God made to Abraham that he will multiply his future generations and make them settle in all parts of the world.
