Singular- field plural- fans and players
'by hand' is a prepositional phrase which is functioning as an adverb phrase to explain HOW all books in Europe were once written.
Adverb phrases give additional details - like HOW something happens.
This is false, and the opposite is true!
A want, used as a noun, refers to something that is not necessary, but something that is wanted, desired only.
A need, in contrast, refers to something that is necessary, so it is not merely something that is wanted, but something that is very essential.
The answer to your question is Dialogue.
She uses dialogue.
