Tasso, an Italian poet, was one of the foremost writers of the Renaissance as well as one of its tragic figures. After penning many popular works, Tasso became psychologically unstable and was intermittently confined to a hospital in his later life. He is best known for writing Gerusalemme liberata—Jerusalem Delivered—an epic of chivalric exploits during the First Crusade. Considered his masterpiece, it has influenced countless poets. Why, then, did Tasso heavily revise it? Discuss