D. reason for a quarrel
Explanation:
a bone of contention means "a subject or issue over which there is continuing disagreement."
quarrel means "a heated argument or disagreement, typically about a trivial issue and between people who are usually on good term."
It is probably A because the play went down in history, it showed about history and it was history(I mean it already happened).
Answer:
i think the final stanza contribute to thw development of the powem
Explanation:
D) The discovery that the Universe is expanding was the greatest discovery of the century.
