Answer :
Final answer:
The characteristics of party politics in the U.S. since 1968 include divided government, Republican and Democratic dominance, and repeated electoral realignments.
Explanation:
Since 1968, party politics in the United States has been characterized by divided government, where different parties control different branches of government, leading to challenges in passing legislation and governance.
Both Republican dominance and Democratic dominance have been observed in different periods, influencing policies and decisions based on the party in power.
This dynamic political landscape has also seen repeated electoral realignments, reflecting shifts in voter preferences and party strategies over time.
