Answer these questions please. What lessons were or weren’t learned from World War 1?

What we’re the four main causes of World War 1 and how did they contribute to causes of World War 2?

Could World War 2 have been avoided?

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

the answer your looking for is c. : )