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https://books.google.com/ngrams/graph?content=Democrat%2Crepublican&year_start=1800&year_end=2008&corpus=15&smoothing=3&share=&direct_url=t1%3B%2CDemocrat%3B%2Cc0%3B.t1%3B%2Crepublican%3B%2Cc0
