Slavery in the ancient world, not to mention in the city of Rome itself, was vital to both the economy and even the social fabric of society.
Whilst it was commonplace throughout the Mediterranean region, and the Hellenistic regions in the east, it was not nearly so vital to others as it was to the dominance of Rome.
As the Romans consolidated their hegemony of Italy and Sicily, followed by the systematic conquest of western Europe, countless millions of slaves were transported to Rome, the Italian countryside and Latin colonies all over Europe.
<span>Palko involved restricting incorporation of the Bill of Rights on the state level. In contrast, Duncan resulted in an expansion of incorporation when the conviction was overturned due to the lack of a jury trial.</span>