Heres Europe War At Glance MOSCOW Soviet Russia marches into Poland to take Ukrainian and White Russian areas; Premier Molotoff tells Polish allies, Britain and France, and 22 other nations that Russia will be neutral; Red troops penetrate 50 miles into Poland, apparently meeting little resistance. LONDON British aircraft carrier Courageous sunk by submarine; government silent on Soviet move, but represented as determined to fight Germany to the end; British press calls march a betrayal. PARIS France reports heavy German reinforcements pouring into western front fortifications; communique tells of only local activity against Germans. BERLIN Poles still hold Warsaw, but Germans expect encircled capital to capitulate; communique says Lublin has fallen and one quarter of Polish army been surrounded south of Warsaw. CERNAUTI, Rumania President Moscicki of Poland crosses into Rumania with other government leaders, refugees and military units; plans reported for taking Polish government to London. BUDAPEST Southeastern Europe both fearful and hopeful after Russian advance; Bulgaria and Hungary hope to regain lost territory; Rumania fears for her former Russian province. ROME Italy remains enigmatic concerning future course. RIGA More than 60 Polish warplanes confiscated and crews interned on reaching Latvian territory. BASEL Swiss reports said French took positions less than three miles from German town of Saarlautern.