Identification
Why would the wrath of God be upon unbelievers especially in sending them to hell? When we put our faith in Christ we immediately become identified with him. The blood of Christ is applied to us and cleanses us from all sin. We immediately become children of God just as Jesus is the Son of God. We get baptised into the body of Christ and therefore we are of Christ. We are identified with Christ and our identity is in Christ. When a person rejects Christ they are identified with Adam in his sin who rejected God when it came to the forbidden fruit. But they also identify with all those who called for Jesus' crucifixion as he was being crucified. They are identified with the Roman soldiers who physically crucified Christ. But they are also identify with the religious Jews who called demanded the crucifixion of Christ. And so just as those who called for and crucified Christ will receive the wrath of God, so too all who have rejected Christ will receive the wrath of God at the Great