How much "Europe" can do militarily is a question of will / interest / necessity.
We COULD have invaded Libya with three million soldiers if we WANTED.
We COULD have created additional airfields on Sicily and Crete and massed more than a thousand combat aircraft there for operations over Libya if we WANTED.
The Libya drôle de intervention was really done with a very low amount of willpower/interest, with the small finger of the left hand.
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