Answer:
first question
1. ' Exhaust diplomacy before you use force' ...
War is always unpredictable. It's almost hard to believe 100 years later, but many leaders at the time thought World War I would be over quickly. ...
History should be remembered.
second question?
The major causes of “The Great War” or WWI (1914-1918) consist of four long-term causes and one short-term cause. I use the acronym M.A.N.I.A to help my students remember the 5 major causes of WWI; they are Militarism, Alliances, Nationalism, Imperialism, and Assassination
third question?
There are many ways that world war 2 could have been avoided. ... If Hitler had have believed there was a credible threat of war (including an invasion by France on his western flank) then he may have held off from an invasion of Poland