Answer:
England that is the answer
The Romans destroyed the city of Carthage :)
Try to expand their territory and spread their beliefs.
To calculate the population density, you will divide the population by the size of the area. Thus, Population Density = Number of People/Land Area. The unit of land area should be square miles or square kilometers. You can use square feet or meters if you are finding the density of a smallish space.
Figure it out yourself. This is homework help, not ‘write my essay for me’