Question

What lessons learned in WWI we're applied at the end of WWII?​

Answer 1

Exhaust diplomacy before you use force

Step-by-step explanation:

I think I'm not really sure to be honest.

Answer 2

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.