Chandragupta Mayura first conquered the continent ( so by conquering could be an option), but then managed to introduce long-termn changes by reforms which lead to the modernization of the subcontinent, which is the right answer.
This is an example of "Expanding".
The primary idea is to "Expand" the short phrases into full understandable sentences. For example when a child says' Me big boy", her mother can expand the sentence and understand that what the boy said, she can reply "Yes you are a big boy".
Yes. And why?
Photographs or photos can be a primary source of information.
A primary source is a type of obtaining or sourcing information after the
phenomenon occurred at that particular time and when photographs are the
first-hand materials that were able to capture that specific moment which then
can convey the information. Primary resources also include –newspapers, journal
articles, magazines and etc. These information are very vital for its
credibility and reliability.