What trend did strong partisanship exhibit from 1950 to 1976?

The correct answer highlights a significant observation regarding electoral behavior and public opinion during the mid-20th century. From 1950 to 1976, strong partisanship witnessed a decrease. This period was characterized by various social, political, and economic factors that contributed to shifting allegiances among voters.

One of the notable influences was the civil rights movement, which reshaped the political landscape and led to a substantial realignment among party loyalties, particularly in the South. Additionally, the Vietnam War and its aftermath prompted many Americans to reassess their political affiliations. These events led to growing numbers of independent voters who were less tied to the traditional party structures.

This trend of decreased partisanship indicated a movement towards more moderate or centrist political views, even as political parties themselves began to embrace more distinct ideological identities in the following decades. As a result, while strong partisanship faded during this time frame, it set the stage for the more polarized party dynamics observed in later years.