Although when Christianity appeared the total population of the planet was only a fraction of that of the twentieth century, most of the earth's surface was quite outside the Mediterranean world, Persia, India, and China.
That's the joy of art - it should be dangerous and challenging but it's just art - it's safe.
In the happy scenes there were really fun times. Sean would say really funny stuff because he likes to improv. I would want to laugh, but you are not allowed to do that during the take.

