What contribution does the Queen in Shakespeare's Richard II make to the re-enactment of Richard's fall?

Answer 1

Check here at SparkNotes:
http://www.sparknotes.com/shakespeare/richardii/

They have everything you're looking for, including plot summaries, character analysis, and commentary.

But be careful not to plagiarize. I'm a teacher and can just about guarantee you that your teacher also knows about SparkNotes. Put it into your own words.