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

when two people answer a question, a choice will pop up at the top of each persons answer, and it will say mark as brainliest.

hope this : )

explanation:

a is the answer because it just is