Expansion of the Roman empire was the incentive to take over Britannia in the first century AD. What would you do if an expanding power tried to take over the United States of America? Would we be able to fight back?
A surprise battle at the battle on the Isle of Mona saw the Romans annihilate the upper echelon of the Druid’s priestly class and all the repercussions that followed it. What would happen if the Vatican was annihilated and it’s repercussions?
The Romans built Colonias (colonies) and settled their retiring veterans in order to successfully lay claim to a new province. What would it be like if an invading government did the same to us?