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**Shanghai was the city where Chiang Ching-kuo successfully tackled corruption after the Japanese surrender.** Under his leadership as mayor from 1945-1948, Chiang implemented stringent anti-corruption measures, improved administrative efficiency, and cracked down on criminal activities, earning him a reputation as an incorruptible and effective public servant. His efforts marked a significant turning point in Shanghai's governance, laying the foundation for its subsequent development and economic growth.