In the migration crisis, the EU is currently acting just like the ancients, as if border controls did not exist, though the mass, peaceful migration we see today was not a tremendously common occurrence then.
The reason is that in the ancient world, every male was a potential warrior. So in conflict they would either fight to defend their land and, if they lost, be killed or sold into slavery, or they would flee, en masse, as Germanic tribes did into the Roman Empire in the 4th century ad, escaping the Hun onslaught. Since this represented a potential threat, Romans fought off some, but welcomed others, giving them land and status in return for service in the army. Many did well out of it.
At the individual level, however, there was constant movement of people wanting to better themselves.
Get Britain's best politics newsletters
Register to get The Spectator's insight and opinion straight to your inbox. You can then read two free articles each week.
Already a subscriber? Log in
Comments
Join the debate for just £1 a month
Be part of the conversation with other Spectator readers by getting your first three months for £3.
UNLOCK ACCESS Just £1 a monthAlready a subscriber? Log in