Final answer:
The World's Columbian Exposition was a world's fair held in Chicago in the 1890s, showcasing art, technology, and industry, and featuring architectural and landscape designs by Daniel Burnham and Frederick Law Olmsted.
Step-by-step explanation:
The World's Columbian Exposition, also known as the Chicago World's Fair, was a world's fair held in Chicago in the 1890s. It was an architectural and landscape design project by Daniel Burnham and Frederick Law Olmsted, and it served as a cultural event showcasing art, technology, and industry. Therefore, the correct answer is option 4) All of the above.