The Confusion of Tongues

What was the purpose of the LORD in causing the division of the people? What is the missing element in most people's minds regarding Salvation? What will the language of heaven be? How does the Tower of Babel signify man's rebellion and false hope? How is pride involved? Why do men rebel against God's sovereignty? Is there anything that God allows men to do outside of His will? Can a man prepare a place of safety for himself?