Impact of Media on Political Party Factions

In recent years, scholars and political analysts have observed significant shifts within the two major political parties in the United States, particularly in how they engage with their base and attract new voters. One notable trend has been the rise of ideological factions within these parties, leading to intra-party conflicts and realignments. For instance, some argue that the Republican Party has adopted a more populist approach, while the Democratic Party has seen a resurgence of progressive movements.

Which of the following factors most directly contributes to the increasing dominance of these ideological factions within the major political parties?