How do we know that Jesus' crucifixion was necessary?

The necessity of Jesus' crucifixion is grounded in the fulfillment of Old Testament prophecy and the requirements of divine justice. As noted in scripture, Jesus bore the entirety of God's wrath against sin, a judgment that would have otherwise fallen upon humanity. The saying 'Cursed is every one that hangeth on a tree' (Galatians 3:13) reinforces the idea that He bore the weight of sin's curse on our behalf. Essentially, without this sacrificial death, there could be no forgiveness of sins or restoration of humanity's relationship with God. The cross serves as the pivot point of history, according to Romans 5:8, which shows that God demonstrated His love for us while we were still sinners by sending Christ to die for us. This reveals not just the necessity but the intentional plan of God for redemption.