War News From Europe Told in Terse Dispatches By Associated Press London Britain, labeling Russian invasion of Poland unjustified, states she will prosecute the war with all energy until its objects have been achieved.Berlin Russian and German forces meet at Brest Litovsk as generals draw up occupation line for armies; Warsaw, still in Polish hands, attacked again; Germans and Russians decide no Polish state exists, therefore ask why Britain and France are fighting. Moscow Germany and Russia believed planning creation of small Polish buffer state between them; issue joint communique setting aim is to assist the population of Poland to recreate their state existence. London Enemy submarine sinks British aircraft carrier Courageous, undetermined number of men lost; 22,500 ton vessel is first British warship casualty. Cernauti Polish government, troops and 100,000 civilians flee Poland for Rumania; Polish republic dying fast; big three of Polish leaders separated, reported quarreling. Paris French report sinking German submarine; western front quiet. Copenhagen Premiers of Norway, Sweden, Denmark, Finland and Iceland confer on maintenance of neutrality; governments of Latvia, Estonia and Lithuania accept Russian pledge of neutrality. Washington United States officials prepared for Hitlerian peace move in which United States might be asked to participate; expect Washington answer would be no.