Nedd help for stuff plz

The english language has the largest vocabulary of any language in existence. it has close to a million words! the english language is also the most widely used language in the world. close to a billion speakers, at least half of which speak english as a second or foreign language. this unit takes you on a brief tour of the history of english, showing you how the language moved from its obscure beginnings to its celebrated status as the first truly global language. what is the main idea in the text?

What functions as a reflexive pronoun in the sentence the professor herself wanted to attend the conference, but it was cancelled when she and several other presenters had to excuse themselves

What was noras point of view on what her parents were doing in keeping freedom in the family?