Answer:
An empire at peace, with many colonies, has resources to support a wealthy, educated population
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Explanation:
Imperial stability, that is a power that successfully manages colonies, leads to more wealth for a nation. More wealth brings peace and stability, at the time of peace, scholars shall be at peace to gain more knowledge and hence the rise of scholarship.
A good example is the 'golden age' of the sighted Gupta empire, Chandragupta expanded his territory as an imperialist which saw his empire stabilize, with peace and wealth, this in turn led to the emergence of a number of scholars such as Kalidasa, the greatest poet of sanskrit during her time.