To craft a closing statement that challenges the reader, the author could:
By suggesting that people in today’s world can learn the effects of drought by continuing to study how ancient people dealt with it.
This approach not only ties back to the historical insights provided in the text but also invites the reader to consider the relevance of these lessons in contemporary society. It encourages reflection on how understanding and responding to drought has been a crucial aspect of human survival throughout history, thereby motivating readers to take action or seek further knowledge on climate resilience today.