Answer:The reasons Christianity attracted so many followers during the first few centuries AD: ... The Christian message had much to offer the Roman world. The promise of salvation made possible through the death of Jesus gave life and meaning and purpose beyond the material things that were affordable only for rich Romans.
The troops tried to send supplies but there was a blockade and they were not able to deliver them.
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To deduct why they need laws
D. Karl Barth, I don't really know so check if needed.