Final answer:
The main theme in Acts 17:22-34 that supports Christianity is the resurrection of Jesus, which is the core doctrine of Christian faith, symbolizing victory over sin and death and providing the promise of eternal life for believers. It is a unifying concept that transcends social distinctions and offers salvation to all.
Step-by-step explanation:
The main theme or revelation that supports Christianity in Acts 17:22-34 is b) The resurrection of Jesus. This passage describes the Apostle Paul's speech at the Areopagus in Athens, where he introduces the concept of Jesus' resurrection to a Greek audience. Paul addresses the Athenians' spirituality and proclaims that God, who once overlooked ignorance, now commands all people to repent because He has set a day to judge the world with justice by a man he has appointed, providing proof of this to everyone by raising him from the dead (referring to Jesus).
Themes of death and resurrection are central to Christian faith, and the resurrection of Jesus is considered the cornerstone of Christian doctrine. It signifies the victory over sin and death and the promise of eternal life for believers. This belief is consistent with the powerful symbolisms found in early Christian art, such as Jonah and the great fish, which prefigures Christ's own death and resurrection.
Furthermore, according to Christian tradition, Jesus’s death and subsequent resurrection cancel out the original sin and offer salvation to humanity, transcending social hierarchies and uniting believers in spiritual equality. This concept has been debated since the early days of Christianity and remains a foundational belief.