Edited sentence: "  Most of the Torah is devoted to the story of the Exodus from Egypt, which is estimated at about 1400 BCE and is celebrated annually during Passover.Jacob and his sons went down to Egypt to escape a drought, where they became a nation and were enslaved.Moses went before Pharoh and demanded, "Let my people go.The Passover meal traditionally ends with the words "Next Year in Jerusalem.The desire of Jews to return to their ancestral homeland is a Jewish theme that first makes its appearance in the Torah