text: French Equatorial Afric{(, on the other hand, are those resulting from the international instruments in force on the date of the establishment of the United Kingdom of Libya as defined in the exchange of letters as ap­ pended hereto (annex I)'·. Annex I of the Treaty specifies that the international instruments in question are: the Franco-British Con­ vention of 14 June 1898 (annex I, below); the Ad­ ditional Declaration of 21 March 1899 to the 1898 Convention (annex II, below); the Franco-Italian agreements of I November 1902 (annex III, below); the Franco-British Convention of 8 September 1919 (annex V. below); and the Franco-Italian Arrange­ ment of 12 September 1919 (annex VI, below). The Treaty of IO August 1955, unlike the Laval­ Mussolini Treaty of 1935, was ratified by the two High Contracting Parties and entered into force. On the French side, it was approved on 22 November 1956 by the French National Assembly. Act No. 56-1235 of 12 December 1956 authorized the President of the French Republic to ratify it. The ex­ change of instruments of ratification took place on 20 February 1957. The Treaty was published and put into force by Decree No. 57-436 of 26 March 1957, signed by the President of the French Republic, Mr. Rene Coty, and countersigned by the President of the Coun-cil of Ministers, Mr. Guy Mollet, and the Minister for Foreign Affairs, Mr. Christian Pineau. It should be noted that the letters exchanged on the day of signature of the Treaty of 10 August 1955, constituting the annexes, contain detailed and indis­ putable provisions concerning the definition of the border between Chad and Libya. The two High Contracting Parties recognized that, between Ghat and Tummo, the border passes through the following three points (see attached map): the Takharkouri gap. the Anai pass and survey point IOI, Garet Derouet El Djemel. 
analysis: This text appears to be discussing a treaty or agreement between France and other countries regarding the border between Chad and Libya. The text mentions specific dates, documents, and individuals involved in the treaty's ratification and implementation. The focus seems to be on the political and geographical aspects of the border, rather than any specific economic, environmental, or social issues.