"Each congressional party has become more homogeneous, and the distance between parties has increased." This represents the trend of party polarization over the past three decades.
Political party polarization refers to cases in which an individual's stance on a given policy or issue is strictly defined by their identification with a particular political party.
The reasons for the rise in party polarization include political parties, redistricting, the public's political ideology, and the role mass media in spreading the information.
The congressional party are creating programs and policies that shape public opinions. Once the political party win the elections, they form the government and its policies are implemented.
Hence, over the past three decades, each congressional party has become more homogeneous, and the distance between parties has increased. This includes the expanding number of candidates in the party.
To learn more about the party polarization here:
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