勞工陣線
Chief Minister Lim Yew Hock formed Singapore People's Alliance on 10 November 1958, which consist of previously-elected Labour Front assembly members who were defected from Labour Front. SPA also invited members of Liberal Socialists and Workers' Party. SPA was formed to present a fresh image to voters in the lead up for the 1959 election, and ran on secure full employment and fair working conditions for workers, and achieving independence of Singapore through a merger with Malaya.