Like many other upper respiratory diseases, diphtheria is most likely to break out during the winter months. At one time it was a major childhood killer, but in the early 2000s it is rare in developed countries because of widespread immunization.
Italy joined the Pact in 1937. The RomeâBerlin Axis became a military alliance in 1939 under the so-called  Pact of Steel , with the Tripartite Pact of 1940 leading to the integration of the military aims of Germany and its two treaty-bound allies.he RomeâBerlin Axis became a military alliance in 1939 under the so-called  Pact of Steel , with the Tripartite Pact of 1940 leading to the integration of the military aims of Germany and its two treaty-bound allies.
The Berlin Agreement (effective June 1972), signed by the United States, Britain, France, and the Soviet Union, protected trade and travel relations between West Berlin and West Germany and aimed at improving communications between East Berlin and West Berlin.stimating the territory that the converging armies of the western Allies and the Soviet Union would overrun, the Yalta Conference determined the demarcation line for the respective areas of occupation. It was also decided that a Committee on Dismemberment of Germany was to be set up.