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Solidarity between people of color (PoC) is known to mute divisions between racially stigmatized groups. Yet solidarity’s political origins remain highly unclear. We consider whether PoC solidarity responds to partisan dynamics that unfold before, during, and after presidential elections. A racially diverse Democratic Party requires cross-racial alliances to effectively coordinate during presidential campaigns. This implies that relations between partisanship and PoC solidarity should be sensitive to shifts in campaign contexts, which (de)escalate partisanship. Thus, depending on campaign context, partisanship might shape PoC solidarity, and solidarity might also affect partisanship. We evaluate these prospects with longitudinal data from two extensive survey panels of Asian, Black, Latino, and Multiracial adults, which spanned the 2024 presidential contest between Democrat Kamala Harris and Republican Donald Trump. Across panels, we detect an influence of partisanship on PoC solidarity, with no clear evidence for a reverse relationship between these variables. Critically, partisanship’s linkage to PoC solidarity strengthens in waves that are more proximate to election day. These dynamics are substantively similar across racially stigmatized groups, suggesting that solidarity between people of color is partly rooted in the salience of presidential campaigns and the incentives they provide to build cross-racial alliances.
Engelhardt et al. (Thu,) studied this question.