题目内容
The can-do spirit came from the willingness of the pioneers to work together on a cooperative project for the good of all.
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On the frontier, family name and ancestry were more important than what a person could do.
The American frontiersman is the model of the classic American male hero, who always appeared together with his fellow brothers.
There are two types of heroic rugged individualists; man against wilderness and man against man.
During the frontier period, people usually paid a lot of attention to a person's family background and ancestry.
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