The role of political parties in the American political system has evolved over time, shaping electoral strategies, voter mobilization efforts, and the overall political landscape. In recent elections, there has been a noticeable trend towards increased partisanship at both the national and state levels.

Using specific examples, explain how the functions of political parties—such as nomination, informing and activating supporters, and acting as a bonding agent—play a crucial role in the electoral process, particularly in relation to the growing polarization in U.S. politics.