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Mathematics 5 Online
OpenStudy (gamingtube):

In the 1880s Harriet W. R. Strong, who urged water storage in dams, became the first ___ of flood control in the U.S. A. extrovert B. imposer C. mediator D. proponent

OpenStudy (gamingtube):

can anyone help me here i am new btw! :)

OpenStudy (harman.singh):

I found this 'openstudy' forum which explains the answer is D) proponent. Link: http://bit.ly/2euQsJo

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