What year did the Cleveland Browns return to the NFL as an expansion team?

1999

Which goddess transformed Arachne into a spider? Who is the villain in Disney's "The Little Mermaid"? What civilization-building board game involves Wonders constructed in cities such as Babylon or Alexandria? Who wrote the influential political book 'The Prince' in the early 16th century? Who is the antagonist that appears primarily as a severed head in the original God of War series?