Final answer:
The author's word choice suggests seriousness about the danger of the problem.
Step-by-step explanation:
The author's word choice suggests that he is serious about the danger of the problem. He uses the words 'abandoned' and 'half-finished' to show that the canal project did not proceed as planned, indicating the seriousness of the issue. Additionally, the words 'contaminated' and 'evacuated' express the severity of the danger and the need for urgent action.
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