Commons Attribution-Share Alike 4.0 truetrue English Political polarization in the U.S. House and Senate, 1879-2023 author name string: DavidMCEddy Wikimedia...
4.0 truetrue English Political polarization in the U.S. House and Senate, 1879-2023, including differences between Northern and Southern Democrats author...
truetrue English Evolution of average Republican-Democrat polarization in the US Congress since 1879, the end of Reconstruction author name string: DavidMCEddy...