Answer: If people wanted to move into a polis, they would need a citizenship. There were two types of democracy, direct democracy and representative democracy. Direct democracy is when citizens take part in the every day affairs of the government.
Well, there are two answers to this question actually.
I believe that a medieval ballad would definitely please a Romantic poet, because it is all about love and all that.
However, in Romanticism, poets and writers were obsessed with the macabre, so they would probably enjoy Greek tragedies as well.
"During the rock concert" would be the subject, as "an amplifier exploded on stage" would be the predicate.