C. constantine is the correct answer
He was a persecutor of Christians ironically. On Damascus road, where Paul was travelling to arrest Christians, a light caused him to fall down and he heard the voice of Jesus. This light caused him to become blind. After 3 days his sight was restored and he began to preach Jesus as the son of God and the saviour
It was to help European countries rebuild after WWII
B. Michelangelo is the sculpture.