within the domestic jurisdiction of any state or shall require t he Members to submit such matters to settlement under the pre sent Charter;but this principle shall not prejudice the applicati on of enforcement measures under Chapter VII. CHAPTER II MEMBERSHIP Article 3 The original Members of the United Nations shall be the st ates which,having participated in the United Nations Conferenc e on International Organization at San Francisco,or having pre viously signed the Declaration by United Nations of 1 January 1942,sign the present Charter and ratify it in accordance wit h Article 110. Article 4 1.Membership in the United Nations is open to a other pea ce-loving states which accept the obligations contained in the p resent Charter and,in the judgment of the Organization,are ab le and willing to carry out these obligations.within the domestic jurisdiction of any state or shall require t he Members to submit such matters to settlement under the pre sent Charter; but this principle shall not prejudice the applicati on of enforcement measures under Chapter VII. CHAPTER II MEMBERSHIP Article 3 The original Members of the United Nations shall be the st ates which, having participated in the United Nations Conferenc e on International Organization at San Francisco, or having pre viously signed the Declaration by United Nations of 1 January 1942, sign the present Charter and ratify it in accordance wit h Article 110. Article 4 1. Membership in the United Nations is open to a other pea ce-loving states which accept the obligations contained in the p resent Charter and, in the judgment of the Organization, are ab le and willing to carry out these obligations