Is the Vietnam Memorial in Washington DC a proper way to
honor the Veterans?

The Vietnam Veterans Memorial is a U.S. national memorial in Washington, D.C., honoring service members of the U.S. armed forces who fought in the Vietnam War.

Explanation:

The 2-acre (8,100 m ) site is dominated by a black granite wall engraved with the names of those service members who died as a result of their service in Vietnam and South East Asia during the w

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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.