This paper shows how white migration out of the postbellum South diffused and entrenched Confederate culture across the United States at a critical juncture of westward expansion and postwar reconciliation. These migrants laid the groundwork for Confederate symbols and racial norms to become...

This paper provides a novel perspective on the Great Migration out of the U.S. South. Using a shift-share identification strategy, we show how millions of Southern white migrants transformed the cultural and political landscape across America. Counties with a larger Southern white share by 1940...

In applied historical research, geographic units often differ in level of aggregation across datasets. One solution is to use crosswalks that associate factors located within one geographic unit to another, based on their relative areas. We develop an alternative approach based on relative...