Divided government Government trifecta#United States Party divisions of United States Congresses Political party strength in U.S. states Notes References Further reading Ansolabehere, S., Palmer, M., & Schneer, B. (2018). Divided Government and Significant Legislation: A History of Congress from 1789 to 2010. Social Science History, 42(1), 81-108. Morris Fiorina, Divided Government, 1996. David R. Mayhew, Divided We Govern, 1991. Political science terminology Federal government of the United States