2. what are some ways that abolitionists used language to increase the impact of their anti-slavery message?
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1. c- the tunnel project was worthwhile.

2. b- to inform about the value of the tunnel project

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 the answer is c. there are many strengths

i hope this and if its correct mark me brainliest