Final answer:
George Orwell finished the book 'Nineteen Eighty-Four' in 1944. It is a dystopian novel that explores a society ruled by a totalitarian government.
Step-by-step explanation:
The book that George Orwell finished in 1944 is Nineteen Eighty-Four. It is a dystopian novel set in a society controlled by a totalitarian government that suppresses individuality and independent thinking. The protagonist, Winston Smith, rebels against the oppressive regime in a world where surveillance and manipulation are rampant.