Conversation so far:
What was Hugh Trevor-Roper's interest or views of the English Civil War?
In Trevor-Roper's opinion, the dispute between the Puritans and the Arminians was a major, although not the sole, cause of the English Civil War.
What else did he think of the war?
For him, the dispute was over such issues as free will and predestination and the role of preaching versus the sacraments.

Question: What other issues were there?
Self-contained rewrite: Besides free will, predestination and the role of preaching versus the sacraments, what other issues were there during the English Civil War?