The United Front was a political alliance in Sri Lanka

Sri Lanka

Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...

, formed by the Sri Lanka Freedom Party

Sri Lanka Freedom Party

The Sri Lanka Freedom Party is one of the major political parties in Sri Lanka. It was founded by S.W.R.D Bandaranaike in 1951 and, since then, has been one of the two largest parties in the Sri Lankan political arena. It first came to power in 1956 and since then has been the predominant party in...

 (SLFP), the Lanka Sama Samaja Party

Lanka Sama Samaja Party

The Lanka Sama Samaja Party is a Trotskyist political party in Sri Lanka....

 (LSSP) and the Communist Party of Sri Lanka

Communist Party of Sri Lanka

The Communist Party of Sri Lanka is a communist political party in Sri Lanka. At the last legislative elections, on 2 April 2004, the party was part of the United People's Freedom Alliance that won 45.6% of the popular vote and 105 out of 225 seats....

 (CPSL) in 1968. It came to power in the 1970 general election

Sri Lankan parliamentary election, 1970

-Background:SLFP leader Sirimavo Bandaranaike had come to the conclusion that her party's best hope of power was forming a permanent alliance with Ceylon's Marxist parties. She assembled the SLFP, the Trotskyist LSSP, and the Communists into the United Front coalition...

, but broke up in September 1975.

It was conceived by the LSSP as a front of the working class

Working class

Working class is a term used in the social sciences and in ordinary conversation to describe those employed in lower tier jobs , often extending to those in unemployment or otherwise possessing below-average incomes...

 - represented by itself and the CPSL - with the petty bourgeoisie

Petite bourgeoisie

Petit-bourgeois or petty bourgeois is a term that originally referred to the members of the lower middle social classes in the 18th and early 19th centuries...

 - represented by the SLFP - and by the CPSL as a front of progressive forces.