The musical genre of Reggae originated in "A. Jamaica," although it should be noted that soon after its origination it quickly spread to many of the other Caribbean islands.
The "Roaring 20s"/"Jazz Era was the period in the 1920s when the world was largely recovered from World War I and was freely spending.
The Roaring 20s are large associated with jazz, flapper culture, and changes in art. Famous figures include F. Scott Fitzgerald, Gertrude Stein, Pablo Picasso, and others. The US in this time period became the world's dominant financial force as a result of the Dawes Plan, which worked to create financial instruments to handle Germany's reparations from World War I.
A literacy rate is a percentage of people who are able to write compared to the people who don't know how to.