 After opposition from within the UUP and the Ulster Workers' Council strike, the executive and Assembly collapsed on 28 May 1974 when Faulkner resigned as Chief Executive.In January 1974 Brian Faulkner became Chief Executive in the power-sharing executive with the SDLP and the non-sectarian Alliance Party, a political alliance cemented at the Sunningdale Conference that year.After opposition from within the UUP and the Ulster Workers Council Strike, the executive and assembly collapsed on 28 May 1974 when Faulkner resigned as Chief Executive.