Mezue ahịrịokwu na-esonụ: Kemgbe afọ ndị 1930, otu ihe dị mkpa nke njikọ aka nke Democratic Party bụ ndị ọrụ nhazi. Ndị otu ndị ọrụ na-enye nnukwu ego, nhazi ndọrọ ndọrọ ọchịchị sitere na ala, na nkwado ntuli aka maka otu ahụ. Ndị otu Union na United States agbadatala site na oge kachasị elu na 1954 nke 35% ruo ala nke 11% na 2015. Mgbe ndị
1968 Democratic National Convention, McGovern-Fraser Commission guzobere usoro nke oge a nke isi. O wepụkwara ndị ọrụ nhazi site n'ọnọdụ ike ya n'ime Democratic Party ma meghee ya n'ụzọ ọchịchị onye kwuo uche ya nye ndị ntuli aka.