What is the primary purpose of jesus’ miracle in raising the son of the widow of nain from the dead?

Since her husband is already dead, the widow had to relied on the son in order to meet their family's end meet. Since the son's dead, no one able to bring bread to the family. Because of this, Jesus felt compassion for the Widow and  decided to performed a miracle and  raised the son of the widow of Nain from the dead