Write about the shape, direction and diversity of Christianity in the first three centuries. How does it migrate away from Judaism, yet preserve much of its tradition and theology?

Write about the shape, direction and diversity of Christianity in the first three centuries. How does it migrate away from Judaism, yet preserve much of its tradition and theology? How do the Persecutions impact the development of Christianity? How big were the early communities, where were they located, and how did they practice their faith? What does the Roman Empire do to eventually change the direction of Christianity? (one of the Part II segments 8,9,10,11,12 of the online version or one from Part II of the video version: The First Followers and Building the Church also Part IV Pliny the Younger, Crime to be a Christian, Defining Christianity, Rule of the Emperor Decius, The Cross.)