<span>The spread of Christianity to non-Jews was significant because it helped Christianity to emerge as a separate faith. The preaching of the gospel to non Jews encouraged the split between Christianity and Judaism during the first century. And as time goes on it help to establish the Christian faith as a religion on its own different from other religions.</span><span />
Answer:
The connection between steel and the railroad system is the railroad system couldn't exist without steel. That's why things like the Bessemer process where invented because steel needed to be produced fast.
Explanation:
The desert and the cities
When analyzing sources, historians obviously want to stay and remain neutral due do the implications a biased historian might have. If historians wouldn't be neutral, this would make them very bad as having a biased view of history is something historians and the whole field of history would like to avoid.