Answer:
Aryans
Explanation:
Also around 1500 bc, a group of people who called themselves Aryans invaded the Indian subcontinent, and came to dominate most of the original Dravidian people. The Aryans spoke a language related to the western European languages, and came from the Russian steppes.
Your a answer should be A
Because they had it just about perfected and they knew a monarch might want to take it over so they put those laws in place to prevent an "overthrow"