southern electorate. once we construction in military occupation of the south and it, white settlers spent the rest of the 19th century squeezing blacks out of the electorate. white settlers delta county units section to get less populated but primarily right white rural parts of the state more political power. meanwhile, disenfranchising black voters. in 1962, the supreme court said the system violated the equal protection clause of the constitution. at that point, many southern states including georgia looked further devices and the runoff system was one of those devices. entered and mark river. gruver, a member georgia s house of representatives, fell out of power. and he blames, quote negro a block voting for his loss. according to a report by the u.s. department of the interior.