Which of the following represents a difference between the Mauryan Empire and the Gupta Empire?
A. The Mauryan Empire was more scientifically advanced than the Gupta Empire.
B. The Mauryan Empire was more ethnically diverse than the Gupta Empire.
C. The Mauryan Empire was larger than the Gupta Empire.
D. The Mauryan Empire offered more opportunity for social mobility than the Gupta Empire.