partisanship
nounDefinition of partisanship
: the quality or state of being partisan : strong and sometimes blind adherence to a particular party, faction, cause, or person
political partisanship The Court is so riven by partisanship that justices even pick their law clerks in ways influenced by ideology …— Anthony Lewis The succession of Civil War, Reconstruction and the Gilded Age was marked by bitter partisanship, endemic corruption, appalling violence and a general sense that democracy was failing.— Jon Grinspan
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