I think the answer is B for that one
Railroads had an impact to increase transportation throughout the country. It made it more easier to get to other cities or states depending on which railway you were going.
I am positive the answer is D
Let me know if its wrong and ill correct it
Answer: The spread of Christianity was made a lot easier by the efficiency of the Roman Empire, but its principles were sometimes misunderstood and membership of the sect could be dangerous. Although Jesus had died, his message had not. Word of his teachings spread to Jewish communities across the empire.
Explanation:
