Historically, they burned the people infected with it(to death if not already dead)
The answer would be true; because the Gupta period is noted for its achievements in the arts, architecture, sciences, religion, and philosophy. Medicine isn't listed, but science is; so I would say True
It was primarily the development of agriculture that led to the development of the first city states, since this allowed for there to be a surplus of food, which allowed people to have labor specialization.
Coal is the answer to your question