AP Government. AP Government ChAPters 12 & 13 . 71 Questions ... The principal leader of the minority party in the House or in the Senate is called the. A. Jan 28, 2008 · THE DEBATE OVER POLITICAL POLARIZATION. Political polarization is not new in American politics. According to Brady and Han's (2006, p. 120) historical analysis, “For many years, our political institutions and policy-making processes have withstood sharp divisions between the parties”; this includes the Civil War era, the turn of the 20th century, and the New Deal era. One point is earned for a correct definition of party polarization as increased ideological consistency, divisions along party lines, or both. Part (b): 1 point . One point is earned for identifying a trend in the graph (e.g., party polarization has increased in the House; is higher in the House than in the Senate over time; was up, then down, then up). Part (c): 2 points Jul 11, 2014 · Finally, the implications of a growth in party sorting are much different than those emanating from increased political polarization. To use one example, if the public is more polarized, then it becomes harder to blame Congress for partisan gridlock, since they are simply mirroring broader divisions within their constituencies.