Shifts in Voter Demographics and Party Polarization

In recent decades, significant shifts in voter demographics and political party alignment have occurred in the United States. These shifts have influenced political outcomes and the overall landscape of electoral politics.

Using your knowledge of these changes, identify and explain two major demographic groups that have experienced a transformation in their voting patterns since the late 20th century. Additionally, analyze how these transformations have affected party polarization in U.S. politics, providing specific examples to support your assertions.