Answer: This answer is Negative 475.
Explanation: Look below for explanation.
c or d im not sure but i would go with d
Gupta Empire:
Expanded trade with Europe, China.
Made great cultural advancements.
Used the modern numbering system.
Invented standardized weight system.
Mauryan Empire:
United India for the first time.
Ruled by Ashoka.
Used army to conquer large territory.
Lasted only about 100 years.
Hope that helps.
The answer to this question is B because this prevent the president from having too much power.