Helsinki Convention on the Protection of the Marine Environment of the Baltic Sea Area Finland, Germany, Latvia, Lithuania, Poland, Russia and Sweden. The Convention on the Protection of the Marine Environment of the Baltic Sea Area, 1992, entered into force on 17 January 2000. The States-Parties to the Convention agreed individually or jointly to take all appropriate legislative, administrative or other relevant measures to prevent and eliminate pollution in order to promote the ecological restoration of the Baltic Sea Area and the preservation of its ecological balance. The Parties undertake to apply: The aim of the States-Parties to the Convention is to prevent and eliminate pollution of the marine environment of the Baltic Sea
History of Latvia Latvian-Polish border was demarcated between 1933 and 1938. The earliest foreign policy goals were securing peace with Soviet Russia and Germany, gaining international recognition and joining the League of Nations. All this was achieved by the efforts of Zigfrīds Anna Meierovics. The hope of union of Baltic countries - Poland, Lithuania, Latvia, Estonia, Finland - faded after 1922. After that Latvia was the most energetic proponent of Baltic unity and Baltic Entente. On November 1, 1923 Latvia and Estonia signed a military alliance, followed by trade agreements. Latvia tried to maintain good relations with regional hegemons Russia and Germany and