See I can't say what it is but I think its A
Answer:
The right answer is D. Mauryan.
Explanation:
The Mauryan Empire was an empire of ancient India. It existed from 321 BCE to 185 BCE in northern and eastern parts of India. However, it exercised political control over most of India, a vast territory that included numerous vassal states. It had replaced the Magadha Kingdom. The founder of this empire was Chandragupta Maurya.
They played the British empire and the French empire again st each other by sighing each others treaties both. This counterbalance both of the powers that if one tries conquer Thailand, the other will try to stop it.