The author choose to use drawings and diagrams in City because B. City plans and buildings are physical things that can be better understood if they are seen
All their goods could be quickly moved to Rome itself as they were taken in barges to the city up the river tiber after slaves had transferred products from merchants
Expansionist justified the idea of Manifest Destiny because they said they were spreading democracy. They wanted everybody to be live like they do and to be democratic and what better way to do that than by spreading the word to the people living on the land that they already conquered.