You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did christianity become official religion of roman empire?" whose answer is 380 AD.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did christianity become the official religion of the roman empire
Useful Output:

Doc 1:  religion, trade, and politics have bound peoples and nations  It also says that while the Jews will shun him, he will become the
Doc 2: This is because after this persecution, in 312, Emperor Constantine I became the first Roman emperor to convert to Christianity. A year later,
Doc 3: The Edict of Milan in AD 313 legalized Christianity. Toleration of this new faith in Rome was not a gradual development. It happened suddenly.
Doc 4: Christianity spread throughout the Roman Empire, receiving legal status in 313 CE. Now, Christians could openly practice their religion.
Doc 5: Christianity was declared the official religion of the Roman Empire in 380 CE… The Roman Catholic Church was not a thing for another 600–700