What did God show by sending the Plagues upon Egypt?

The Chosen People, as previously foretold, had spent long years of tribulation in Egyptian bondage. The captive people eagerly awaited the moment when the slave chains of affliction would be thrown off. Moses, who had returned to his people as God's messenger, went before Pharaoh to tell him God's will. However, Pharaoh did not even want to hear about freeing the people of Israel....