The correct answer for the first gap is "A) Chola".
The Chola empire was one of the longest dynasties in world history, lasting more than 1500 years (from 300 BCE to 1279 CE). Its official languages were Tamil and Sanskrit.
The correct answer for the second gap is "A) Through trade networks".
With the conquest of Kadaram and Srivijaya, the Cholas established important commercial routes with the Chines Empire. This enabled them to influence local cultures along the way. This is why there are examples of Hindu cultural influence throughout all Southeast Asia.
Castiglione thought that the ruling class should follow a standard of conduct.
Machiavelli believed that the rulers must look like they are generous but that they must do what they need to do to keep order.
It would be 48.2. I did the math but don't know how to explain it.