Which policies opened the soviet union to the outside influences that ultimately led to its demise?

windows to the world

apparatchiks and demokratizatsiya

glasnost and perestroika

open door policies

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

the answer is   b. coronado.