There were many reasons. For starters, the entire economy was based around slaves working on plantations of things like tobacco or for making gin. Without them the state would break down because they wouldn't have the free workforce that they had when they had slaves. Also, it would also help the northern states and abolitionists since there would be more non slave than slave states.
Answer:
Because he had a reputation to maintain
The figure of 600,000<span> adult males described in Exodus 12:37, or 603,550 at Exodus 38:26, would imply a total population of Israelites in flight through the desert for 40 years of 2 to 2.5 million people, when the total population of Egypt at the time was 3 to 4.5 million.</span>
