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Developmental policy included such legislation as the Land Act of 1820 , the Homestead Act , which granted townships , and the Morrill Act of 1862 , which initiated the land-grant college system , one in a long series of acts that provided public support for agricultural research and education .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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