Why did Jesus have to die?

The Table of contents from a John Piper book: Fifty Reasons Why Jesus Came to Die

Fifty Reasons Why Christ Suffered and Died:

1 To Absorb the Wrath of God

2 To Please His Heavenly Father

3 To Learn Obedience and Be Perfected – Hebrews 5:8

4 To Achieve His Own Resurrection from the Dead

5 To Show the Wealth of God’s Love and Grace for Sinners

6 To Show His Own Love for Us

7 To Cancel the Legal Demands of the Law Against Us

8 To Become a Ransom for Many – Mark 10:45

9 For the Forgiveness of Our Sins

10 To Provide the Basis for Our Justification

11 To Complete the Obedience That Becomes Our Righteousness

12 To Take Away Our Condemnation

13 To Abolish Circumcision and All Rituals as the Basis of Salvation

14 To Bring Us to Faith and Keep Us Faithful

15 To Make Us Holy, Blameless, and Perfect

16 To Give Us a Clear Conscience

17 To Obtain for Us All Things That Are Good for Us

18 To Heal Us from Moral and Physical Sickness

19 To Give Eternal Life to All Who Believe on Him

20 To Deliver Us from the Present Evil Age

21 To Reconcile Us to God

22 To Bring Us to God

23 So That We Might Belong to Him

24 To Give Us Confident Access to the Holiest Place

25 To Become for Us the Place Where We Meet God

26 To Bring the Old Testament Priesthood to an End and Become the Eternal High Priest

27 To Become a Sympathetic and Helpful Priest

28 To Free Us from the Futility of Our Ancestry

29 To Free Us from the Slavery of Sin

30 That We Might Die to Sin and Live to Righteousness

31 So That We Would Die to the Law and Bear Fruit for God

32 To Enable Us to Live for Christ and Not Ourselves

33 To Make His Cross the Ground of All Our Boasting

34 To Enable Us to Live by Faith in Him

35 To Give Marriage Its Deepest Meaning – Ephesians 5:25-32

36 To Create a People Passionate for Good Works

37 To Call Us to Follow His Example of Lowliness and Costly Love

38 To Create a Band of Crucified Followers

39 To Free Us from Bondage to the Fear of Death

40 So That We Would Be with Him Immediately After Death

41 To Secure Our Resurrection from the Dead

42 To Disarm the Rulers and Authorities

43 To Unleash the Power of God in the Gospel

44 To Destroy the Hostility Between Races

45 To Ransom People from Every Tribe and Language and People and Nation

46 To Gather All His Sheep from Around the World

47 To Rescue Us from Final Judgment

48 To Gain His Joy and Ours

49 So That He Would Be Crowned with Glory and Honor

50 To Show That the Worst Evil Is Meant by God for Good

You can read more, or order the book here.