Answer:
The 1920s was a decade of the Gregorian calendar that began on January 1, 1920, and ended on December 31, 1929. In North America, it is frequently referred to as the "Roaring Twenties" or the "Jazz Age", while in Europe the period is sometimes referred to as the "Golden Age Twenties" because of the economic boom following World War I. French speakers refer to the period as the "Années folles", emphasizing the era's social, artistic, and cultural dynamism.
Explanation:
They both contributed to the invention of the skyscraper
The answers in order would be B, A, and B. Hope this helps!