Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
He created a system of military rule by major generals, and his French alliance ended up giving his country Dunkirk. This ruler, whose death was called for in the pamphlet "Killing no Murder", was given his highest position by a document drafted by James Lambert and based partly on the "Heads of Proposals". This leader passed the Penal Laws during a campaign in which he gave no quarter to the defeated garrison of (*) Drogheda; that campaign was his invasion of Ireland. He carried out a purge of the Rump Parliament to create the Barebones Parliament. This leader was disinterred and posthumously beheaded for his part in a war during which he served under Lord Fairfax. His son was so incompetent that Parliament voted to restore Charles II. For 10 points, name this Puritan general of the New Model Army and Lord Protector of the Commonwealth of England.
A:
History