What makes King Arthur a Legend

Due to cultural intermingling in Europe, political influences and writers' imagination, the Arthurian story developed into a full-fledged legend and complex story, with an emphasis on a noble kingdom called Camelot, the Knights of the Round Table and the queen, Guinevere, who has an affair with the knight Lancelot.

Explanation:

have a good day

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.