 Cyprus and the guarantor powers (the United Kingdom, Turkey and Greece) promised to prohibit the promotion of "either the union of the Republic of Cyprus with any other State, or the partition of the Island".Article Four of the Treaty of Guarantee provided, "In so far as common or concerted action may not prove possible, each of the three guaranteeing Powers reserves the right to take action with the sole aim of re-establishing the state of affairs [i.e.bi-communal consociational state] created by the present Treaty".