What important service did Byzantine writers provide to the rest of the world? Explain it's significance

They gave us data about the Western Roman Empire or Byzantium Empire. They likewise permitted to pass their conventions on.

The entire Roman Empire had been in challenges since 190 AD when huge tribes of individuals like the Goths, started moving into ranges under Roman control. The authority of Rome was feeble; there was a ton of insecurity as different power bunches inside the Roman armed forces continued attempting to introduce their own Emperors, and killing Emperors who had a place with different gatherings. This implied the intrusions by the Germanic tribes were not effectively halted.