The job of a film director is extremely challenging which requires the person to have knowledge of almost all the fields of film production. The success or failure of a film more or less depends on the capabilities of a film director.
On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland from the east.
Russia counts the start of World War 2 in June of 1941, while in the United States, active involvement in WW 2 begins with the Japanese attack on Pearl Harbor on December 7 th, 1941.