The King's idea of hosting all-party talks on Ireland had echoes in later negotiations that produced the power-sharing executive in the Sunningdale Agreement in the 1970s, and in the negotiations that produced the Belfast Agreement in the late 1990s.
Opposition to the Sunningdale Agreement led to an alliance of Unionist parties under the label of the United Ulster Unionist Coalition running agreed candidates in all constituencies, here putting forward the new leader of the Ulster Unionists, Harry West.
The National Coalition is noted for its attempts to build a power-sharing executive in Northern Ireland through the Sunningdale Agreement.
The original Northern Ireland Executive was established on 1 January 1974, following the Sunningdale Agreement, but collapsed on 28 May 1974 due to the Ulster Workers' Council strike.
They saw their fears confirmed when SDLP councillor Hugh Logue publicly described the Council of Ireland as "the vehicle that would trundle unionists into a united Ireland" in a speech at Trinity College, Dublin.
After the suspension of the Stormont Parliament, Faulkner moved towards a policy of power-sharing with nationalist and non-sectarian politicians under the Sunningdale Agreement.
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In late 1973 it rejected the idea of compulsory power sharing with Irish Nationalists and consequently refused invitations to take part in the conferences which led to the Sunningdale Agreement.
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It opposed the Sunningdale Agreement and was involved in extra-parliamentary activity against the agreement.
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In 1975, Lowry was appointed by Merlyn Rees to chair the Northern Ireland Constitutional Convention, an unsuccessful attempt to replace the collapsed Sunningdale Agreement.