Sept 1 1944 War Fronts By United Press NORTHERN FRANCE American First army plunges to Belgian border, shattering last German defenses in northern, as U. S. Third reaches Argonne forest; British take Amiens and surge on across Somme. SOUTHERN FRANCE Americans liberate Valence in 11 mile drive up Rhone valley; French armored forces to southwest knife within 47 miles of Spanish border. RUSSIA Red army enters Bucharest after smashing German defenses before Romanian capital; Russian troops gain ground northeast of Warsaw. ITALY Eighth army ocupies Pesaro on Adriatic; nazi attacks east of Florence repelled. AIR WAR British heavy bombers pound rocket launching ramps as American aircraft plaster other French coastal targets. CHINA Japanese drive toward Kweilin blunted; 14th air force lashes at enemy supply lines. BURMA British push deeper into Chin hills along Tiddim road. PACIFIC Army and navy planes pound Paramshiro in Kuriles, plastering other Jap island bases over wide area.