I believe it's "It protected trade routes from thieves."
The Maurya Empire had great political unity and internal peace which encouraged trade within India.
The roles of European monopoly companies on the development of overseas territories are:
They were profit-driven
They wanted an competitive market
They would get cheaper labor
They would get cheaper materials
A monopolistic market is one where there is only one producer and distributor in a market, without any significant competitor.
The Europeans wanted a monopolistic market so they had to expand overseas as a means of getting cheap labor and other advantages which would help them increase profit.
The emigres were rich nobles who supported the Catholic church and since the people supported the church as well, Napoleon decided to help the church by giving it back land and allowing the emigres to come back to France and work with the church and participate in everyday life which strengthened the influence of the Catholic church.
Due to many foreigners the Chinese had developed a better sense of Nationalism, so the answer is B.
The answer you're looking for is D. The individual states.
Well, as far as I remember. I'm sorry if I am incorrect.