Answer:
The Siege of Leningrad is a event which took place during WWII. This was a was a prolonged military blockade undertaken from the south by the Army Group North of Nazi Germany against the Soviet city of Leningrad on the Eastern Front in World War II.
Long distance communication depended on the memory of a man, long-term memory was needed to teach children, and construction was more slow paced.
Woodrow Wilson declared the Fourteen Points which include (1) Diplomatic issues, (2) Territorial Issues, and (3) The League of Nations.
The League of Nations was the only one that was achieved following the Treaty of Versailles and the Paris Peace Conference.
Because in Great Britain there was alot of natural resources required for the revolution like metal and such