Answer:
The answers are C and E
Explanation:
In 323 BC, Alexander the Great died and his empire fell. Chandragupta Maurya founded the Mauryan Empire and unified much of India. The Mauryan Army, the largest standing military force of the time, supported the expansion and defense of the empire. The empire boasted 600,000 infantry, 30,000 cavalry, and 9,000 war elephants.
The Gupta Empire rose in 320, and united northern India. During the reign of Chandragupta II, the army consisted of 500,000 infantry, 50,000 cavalry, and 20,000 charioteers, and 10,000 elephants.
In conclusion, both dynasties played an important role in uniting India, and both maintained a standing army.