Final answer:
The 1904 World's Fair, originally called Fairy Floss, introduced a popular treat called cotton candy.
Step-by-step explanation:
It showcased various exhibits from around the world, including displays of indigenous peoples.
Cotton Candy. Cotton candy, originally called Fairy Floss, was introduced and popularized at the 1904 World's Fair. Cotton candy is made by heating and liquefying sugar and then spinning it out through minute holes, where it re-solidifies in midair and is collected on a cone. Despite its resemblance to cotton, cotton candy is primarily made up of simple sugars.