Final answer:
The Yellow Kid increased circulation and popularity for Joseph Pulitzer's newspaper, the World.
Step-by-step explanation:
The Yellow Kid increased circulation and popularity for Joseph Pulitzer's newspaper, the World. The tabloid-style paper included sensational and scandalous front-page news, cartoons, and pictures, which attracted readers and advertisers. As the New York World's circulation continued to grow, other newspapers began imitating Pulitzer's style to compete.