When did political polarization start in the United States? At what point did partisan struggle start to subside? Immediately after the ratification of the United States Constitution, the American political system was characterized by intense partisan warfare between America’s two original parties—the Federalists and the Democratic-Republicans. The partisanship subsided following the demise of the Federalist Party, only to escalate again in the 1850s. Eventually, the partisan struggles subsided and the democratic norms were restored. Here is a brief history of American partisanship.
American Partisanship: A Brief History









