The answer would be Collective Learning. The reason is, if a group of people fail in something they learn from those mistakes so they improve upon them, in doing so they share this knowledge with new generations. Each generation makes improvements on this knowledge.
Answer:
The Review of Politics publishes primarily philosophical and historical studies of politics, especially those concentrating on political theory and American political thought. Thoughtful scholarly reflections on all aspects of politics - including analysis of institutions and techniques, analysis of literary reflections on politics, political interpretations of literary works, and constitutional theory and analysis - are also welcome. Some of the first essays advocating 'realism' were published in The Review, as well as articles from its opponents in international relations; both perspectives are accepted parts of the journal's coverage. Instructions for Contributors at Cambridge Journals Online
Explanation:
The two domestic acts that Lincoln is credited with during his presidency are the Homestead Act and the Second Kansas Nebraska Act.
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