It seems to be C, but there is not much context providing me to explain myself.
Implicit details are those not explicitly stated by the author. For example, if he's describing someone's house and that things are broken, that might be an implicit description of the poverty of the society. There are many things like that that can show issues with the society and with the self.
It makes people safer instead of gathering in large crowds and breathing on each other when they scream or breath. It helps decrease the rate of the outbreak.
1. the Catholic population in poverty
He says that they principal breeders are the Papists. This means they are the Catholics. He uses the word Papists because it is a demeaning term for people who follow the Pope. The Pope is the spiritual leader of the Catholic church. He calls them principal breeders because he believes all they do is have children.
2. criticize the growing influence of the catholic population
By saying good Protestants, he is inferring that the Catholics are not good. Instead of staying where they'd be forced to financially support "an episcopal curate", they leave.
