How did moving the capital to Constantinople affect the city of Rome?

The founder of the Byzantine Empire and its first emperor, Constantine the Great, moved the capital of the Roman Empire to the city of Byzantium in 330 CE, and renamed it Constantinople. Constantine the Great also legalized Christianity, which had previously been persecuted in the Roman Empire.

you can't, but you can edit them

lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.