B. A trial is not necessary
A summary judgement is when a Judge decides that the briefs of the lawyer is all that is needed to determine the outcome of a case. This is only used when there are no factual issues left to be tried.
The peloponn war lasted 27 years
It was the Gupta dynasty that practiced Hinduism.
From my notes I have an attachment, if you see the country of origin is India, and Gupta was an Indian dynasty.
Hope this helped.