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 UID471934 帖子1049 积分1547 学分7055 个 金币161 个 在线时间176 小时 
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| as the economy sank into a deep depression and unemployment rates increased the political climate for direct federal government involvement in water projects improved. this organization used its authority to transform the river into one of the most highly regulated rivers in the world say about two decades
 investments in dams and hydro power facilities within the Tennessee valley also received the high priority during the war
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