Why did WWII have no trench warfare as opposed to WWI?

by chrisengelsma
Elm11

Hiya!

This is a variation on one of our frequently asked questions. Hopefully, some of these excellent responses will point you in the right direction!

Warfare tactics changed greatly between World War One and World War Two; when and why did this occur?

How different was manoeuvre warfare on the WW I Western Front in 1914 vs late 1918 ?

Why was World War 2 more mobile than World War 1?

If you have any specific questions, I'll happily do my best to answer them! :)