Subjectively there were thousands of lessons learned. Objectively there were hundreds learned. Here are some of the major reasons.
IT shows that the fighter planes,trenches,and gases were used most comonly by both sides. The allis had the strongest stratiges
they learned not to mess with the Germans
How to make an atomic bomb
money problems
The Great War was, at the time, unique. When the next war started, the names World War One and World War Two were used because World War One was no longer a one-of-a-kind huge multinational war.
punitive peace can backfire
People died. Lessons were learned. Conditions are favourable to your asking the question.
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Greed is good, killing is good. Good life lessons?
Do not be a racist in leaving Japanese out of Ally meetings or they will be offended and become the Axis in the next war.
Two of the lessons learned by the Union Navy were to seize ports and embargo trade and blockade.
We won.
what was the lesson learned in world war one
Lessons learned in the Vietnam War, caused the media to be RESTRICTED in this campaign. The term used was "embedded" into certain cells, for control purposes.
IT shows that the fighter planes,trenches,and gases were used most comonly by both sides. The allis had the strongest stratiges
After a war, people in poverty "often" will regain there foothold on living standards by learning from their observations learned during the war. They will put "lessons learned" to use.
The lesson learned was "look before you jump."