Help... Someone. I'm kinda dumb...

ok first of all your not your dumb so never say that but you can say something like this.

One of the reasons that the Roman Empire fells was of Christianity. Many Romans were against Christianity and persecuted many Christians along the way, while many Romans believed polytheistic ( many Gods).

The great leader Constantine ending the persecution and tolerated Christianity. Later in that century Christianity became so popular and so widespread that it became the official religion for the empire. Constantine did make a command decision to split the empire into two parts the western part, which consisted of Rome and the eastern part which was Constinpole named after himself.

Explanation:

it allows shippers to carry commercial goods, which allows them to save time and money.