Theodore Roosevelt's "New Deal" boosted American people's confidence and Abranham Lincoln rendered a great help for black people to realize their American Dream.

西奥多·罗斯福的“新政”增强了美国人民的信心，亚伯拉罕·林肯大大帮助黑人实现了他们的美国梦。

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The American system of trial and error produces doers: Black Swan-hunting, dream-chasing entrepreneurs, with a tolerance for a certain class of risk-taking and for making plenty of small errors on the road to success or knowledge.

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