What is the main conflict in The Strange Career of Jim Crow by C. Vann Woodward?

The term Jim Crow refers to a large body of law and social custom which served to establish and maintain segregation of the races in the South following the end of Reconstruction and moving into the mid-twentieth century. In his book, The Strange Career of Jim Crow, C. Vann Woodward provides a complete historical accounting and significant analysis of its advent, its impact on race relations within and outside of the South, and its legal demise by 1965.