Earth hath swallow’d all my hopes but she,<span>She is the hopeful lady of my earth:</span>
Answer:
I am not completely sure what you are asking. But here is my best shot.
During - time, it tells what is happening while
the - is a preposition
epidemic - what is happening (relates to the first question)
early - when it is happening
warnings - the noun/subject
widely - where it is going
This is a standard form of speech.
It also can be called a statement unless you use it or say it in a different way
Well, the radio could have a different tone than the novel. The novel could be informative or based on an experience. The radio could be wrong or not-specific with the War of Worlds.