In 2 Chronicles 20:1-23, King Jehoshaphat sought the LORD, who delivered his people from a powerful enemy. Their rescue anticipated a greater deliverance by a greater king.
Jesus' power over the forces of evil demonstrated that the kingdom of God had come.
Although the first anointed king tried to kill the second one, the Lord protected his anointed, as he always does.
Jesus told his followers what to pray and why to pray, so let's pray and keep on praying!