How were world war 1 an world war 2 different?

because wald war 1 is the war that ahppened first but the giermans did not take unieted kingdom so they triyd another war and it was world war 2!

World War 1 was different because WW1 was the most destructive war there has ever been. The amount of deaths that occurred in that war is more than all the other wars deaths combined.

WW2 was a war of fire and maneuver on the ground and in the air it evolved into the concept of total war. While it was initially believed to be a continuation of WWI's attrition tactics, where...

well world war one was very diffirent from world war 2. world war one was fought in the treanches were gas warfare became a big primary weapon at the time. world war 2 was fought mostly in the air...

I'm taking you mean differences between WW1 and WW2... and there were many... World war one- a small use of tanks, naval and areal warfare - Nearly all the fighting took place in Europe - trench...