Directions: In the following sentence, one part of the sentence has an error, and the other parts are correct. Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer. Ignore the error of punctuation, if any.

Cities after cities were destroyed by the army. /(A) Wars that national leaders declare for /(B) "the welfare" of the country had adverse /(C) effects on the citizens, especially children. /(D) No error./(E)