The research examines the circumstances of the dissolution of the Communist Party in Sudan during the second democratic rule (1965-1966), its causes and motives, the local and international reaction to the decision to dissolve, how the communists got out of this impasse, the role of the traditional parties in the decision to dissolve, and the collusion of politicians to achieve political gains by mixing religion and politics, reviewing The communists resorted to the judiciary, attracted the sympathy of many supporters of democracy, and ultimately resorted to an alliance with the military to overthrow civilian governments in what was known as the May 1969 coup.