Detailed Instructions: This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Q: Passage: Of the new eastern religions introduced into the Greek world, the most successful was Christianity. From the early centuries of the Common Era, the Greeks identified as Romaioi ("Romans"), by that time the name 'Hellenes' denoted pagans. While ethnic distinctions still existed in the Roman Empire, they became secondary to religious considerations and the renewed empire used Christianity as a tool to support its cohesion and promoted a robust Roman national identity. Concurrently the secular, urban civilization of late antiquity survived in the Eastern Mediterranean along with Greco-Roman educational system, although it was from Christianity that the culture's essential values were drawn. Question: What imperative value was extolled from the Christian community to the Roman world ?
A:
Greco-Roman educational system, although it was from Christianity that the culture's essential values were drawn.