The use of the words "harsh," "grave" and "aghast", contribute to the tone of the article because А They convey a sense of mild pessimism over the unfair aspects of the Treaty.
This refers to the use of words by a person which conveys the emotions and feelings of such a person.
Hence, we can note from the context clues in the article that the use of the words "harsh," "grave" and "aghast", contribute to the tone of the article because they believe that the terms of the Treaty of Versailles were unfair to Germany.
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