Before realism, what did writers tend to write about?

They wrote about everyday activities and their expiriences.

Explanation:

Literary realism attempts to represent familiar things as they are. Realist authors chose to depict everyday and banal activities and experiences, instead of using a romanticized or similarly stylized presentation

Explanation:

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.