How much of the Great Wall was built by the Qin empire? A. 200 miles
B. 1,500 miles
C. 4,500 miles
D. 7,000 miles

Which of the following resulted from asoka's rule of the mauryan empire? a. the empire gained control over india's southern trade routes. b. an order of secret police was developed to spy on people. c.alexander the great's troops left india. d. india experienced political unrest for many years.