求翻译：A few weeks ago in Southern Sudan, I met a group of kids who are learning English and math in a USAID-supported primary education program. The students ranged in ages from four to fourteen years old. Many of the older students have lived through a period of violence and suffering and have not yet had the opportunity for even a basic education. When you see American taxpayer money being effectively used to provide education in a way that improves the lives of these children and contributes to the peaceful founding of a new nation是什么意思？

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