The Romans. They managed to get a third of the known world under their control and influence at their peak, and apart from minor exceptions never lost a battle. America doesn't have anywhere near the same control (most of its land taken only because nobody was there to stop them) and hasn't managed to win any significant wars without help.
No. There is no indication that the Romans every reached South America.
Probably not, as the Hadrians wall was the only thing that stopped the romans from invading scotland, so why marry someone you despise?
Celts come from Scotland, Wales and Ireland. The original inhabitants of the British Isles. Romans came from Italy as an invading force.
Risk, Fortress America, Invasion: America, and Warhammer: Invasion.
As such the only groups that could be classed as settlers were in fact invading countries. These included the The vikings and Romans. The Romans had the greatest effect by building roads, towns and such amenities as aqueducts
Yes. In the Samnite Wars. The Romans, even though they had an alliance with the Samnites, were moved by Campania's surrender to them and decided they would fight for Campania, against the invading Samnites.
I guess They Had the Plague, Like the Spanish had when invading America.
It is a mythical quote with no documentation to substantiate it.
No; Potatoes came from South America, and would have been unknown to the Romans.
Romans changed Britain dramatically by invading all main part of the UK. This meant that homes were lost, family and also friends were lost. Therefore, Britain fell to pieces.
Apart form the fact that you have not said where they are invading, the best way is not to import them into a country where they are not indigenous in the first place.
The Romans could not stop Attila from attacking the part of the empire in the Balkan peninsula by crossing the river Danube. Attila did this several times and extracted heavy ransoms. The Romans managed to stop Attila from invading Gaul by assembling an army made of Romans and their Visigoth and Frankish allies. Soon after this Attila died and the Hun empire collapsed.