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
Gulf of Finland Kingdom (17%), Sweden (15%), Netherlands (8%), and Finland (7%). The remaining 9% are from Norway, Denmark, France, United States, Italy, Estonia, and Latvia. These objects present potential hazards to navigation, fishery, coastal construction, laying of submarine pipelines and cables, and the environment. Mines were laid in the gulf during World War I (38,932 units), the Russian Civil War, and the Soviet-Finnish War (1939–1940), with an estimated total number of 60,000; 85,000 more mines were set during World War II, and only a fraction of all those were eliminated after the wars. The ecological condition of the Gulf of Finland, Neva