Octavius(Octavian) was Julius Caesar’s adopted son.
Generally speaking, yes, it is true that a person will understand the compressed language of a poem better if she brings her knowledge of areas such as history and mythology to that poem, since this will help her understand potential "hidden" themes.
They maintain and plow the local roads. Those in return, allow for members of society (including your family) to travel around. This also may increase certain taxes that your family has to pay. Hope This Helps!