Why did the Romans leave Britain?

History

Which city ruled over the Western Roman Empire?

When did the last Roman soldiers leave Britain?

Which of these was not a cause of the fall of the Roman Empire?

How were many Roman statues different from Greek statues?

Which Roman Emperor allowed Christianity to be worshiped in Britain?

Which Greek god was Jupiter adapted from?

What material allowed the Romans to build even larger buildings than the Greeks?

What did the Romans build to transport water to their towns and cities?