Why should people learn the skill of connecting the past and present? A. To find out what people in the past believed about their world
B. To learn about the cultures of different countries and societies
C. To keep from making the mistakes other people have made
D. To learn how one person's actions affected many other people

D or C

Explanation:

cultural achievements of the 1920's 2010  

1. cultural achievements and african american achievements in the 1920’s  

2. art and literature charles lindberg flew from ny to paris, france. became national hero; first transatlantic flight.  

3. greenwich village (new york) and the south side (chicago)  many artists, writers, and intellectuals flocked to these areas to share ideas  people lead bohemian, or artistic and unconventional, lifestyles