sentences:  Tolkien began to revise "The Silmarillion", but soon turned to the sequel, which became "The Lord of the Rings".Writing "The Lord of the Rings" during the 1940s, Tolkien was attempting to address the dilemma of creating a narrative consistent with a "sequel" of the published "The Hobbit" and a desire to present a more comprehensive view of its background.He renewed work on "The Silmarillion" after completing "The Lord of the Rings", and he greatly desired to publish the two works together.