No. The Romans ended up allowing the barbarians inside to help defend their borders, because after the Roman Empire split between East (Constantinople, which was invaded by Muslims and became Istanbul) and West (Rome), the Western Roman Empire was lacking in resources and couldn't defend their borders.

See the importance of defending your borders, and controlling who can enter? In the late Western Roman Empire, Roman citizenship was being handed out so cheaply that it became a joke.

However, today, Eastern Europe as a whole has kept its culture intact. The same cannot be said for the Western Europe, and North America.

No. The Romans ended up allowing the barbarians inside to help defend their borders, because after the Roman Empire split between East (Constantinople, which was invaded by Muslims and became Istanbul) and West (Rome), the Western Roman Empire was lacking in resources and couldn't defend their borders.

See the importance of defending your borders, and controlling who can enter? In the late Western Roman Empire, Roman citizenship was being handed out so cheaply that it became a joke.

However, we can conclude today that the Eastern Roman Empire is far more resilient, Eastern Europe as a whole has keep its culture intact. The same cannot be said for the West.