Mississippi plan
/ˌmɪsɪˈsɪpi ˌplan/US. Now historical
noun
The plan, adopted by the Democratic Party in Mississippi in 1875, of assuring the political supremacy of white people over black, chiefly by preventing black people from voting, often by the use of intimidation and violence.
Origin
Late 19th century; earliest use found in The Daily Whig and Courier. From the name of the state of Mississippi + plan.