Completed the following sentence: After leaving the Senate, Cowan resumed practicing law in Greensburg. He continued to support the Democratic Party, and supported Horace Greeley, the Democratic and Liberal Republican nominee for president in 1872.<unk> He continued to support the Democratic Party, and supported Horace Greeley, the Democratic and Liberal Republican nominee for president in 1872. He supported the presidential candidacy of Democrat Samuel J. Tilden in the election of 1876, and was a supporter of Winfield Scott Hancock for president in 1880, including attending that year's
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