Conversation so far:
What was Hugh Trevor-Roper's interest or views of the English Civil War?
In Hugh 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 Hugh Trevor-Roper think of the English Civil war?
For Hugh Trevor-Roper, the dispute was over such issues as free will and predestination.

Question: What other issues were there?
Self-contained rewrite: What other issues were there with the English Civil War?