How did the relationship between Christians and pagans develop?

Despite the fact that Christianity became the state religion, pagan and Christian cultures continued to coexist in ancient Rome until the very end of its existence.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.