Which policy, signed by Chester A. Arthur, required merit-based selection for government jobs?

Pendleton Civil Service Act

In the movie "Cast Away," what brand of volleyball becomes Tom Hanks' character's companion? Which volcano famously destroyed the ancient city of Pompeii? What Asian country is known as the birthplace of ramen noodles? Who was the frontwoman for the band Blondie? What is the common name for Aurora Borealis?