The Front of Socialist Unity and Democracy (Romanian: Frontul Democrației și Unității Socialiste, FDUS) was a political alliance in Romania from 1966 to

Democratic Front led by the Romanian Communist Party and replaced in 1968 by the Socialist Unity Front, later renamed the Socialist Democracy and Unity Front SFR

the growth of Fascism, popular fronts allying Communist parties with other anti-Fascist parties including Socialist and even bourgeois parties were advisable

form of people's or national democracy. They share a common definition of socialism and they refer to themselves as socialist states on the road to communism

David (2002) [1992]. The Popular Front and the Progressive Tradition: Socialists, Liberals, and the Quest for Unity, 1884–1939. Cambridge University Press