Ineed . in the first paragraph, the word rival means: a. neighbor b. competitor c. customer d. manufacturer

b.competitor  is the answer to your question

Explanation:

hope this helps

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.  

i think they are preparing for the battle of gaul. : )

i hope this you! : )