Aug. 5, 1961 - The Communist bloc declared today that it would sign a German peace treaty before the end of 1961 that would turn over to East Germany control of the air, land and water access routes to isolated West Berlin. The decision was taken at a meeting of the Warsaw Pact countries in Moscow. The Warsaw Pact is the East European counterpart of NATO. Representatives of Communist China and other Asian Communist countries participated in the conference and adhered to the decision. On the subject of Berlin, Premier Khrushchev will make a major policy speech tomorrow evening over Soviet radio and TV.