The nations of Europe and North America were wary of another war after the millions of dead of the Great War. Each nation entered the 1920’s with different problems and goals. Few people though tthe world would fight an even bloodier war just 21 short years later.
WW II: The World at War Introduction
Causes of World War II - Wikipedia, the free encyclopedia
The Munich Crisis, 1938: Prelude to World War II - Google Book Search
League of Nations - Wikipedia, the free encyclopedia
Research Guide to League of Nations Documents and Publications, Northwestern University Library
The Avalon Project : League of Nations