The British army couldn't help France in 1940
what makes you think they could have helped Czechoslovakia in 1938?
How? Be specific.
Note: A strong navy at this point aint much good in helping a landlocked country.
You're barking up the wrong tree here.
Better example of when to stand up to Hitler : re-annexation of the Saarland in 35.
Another: Remilitarization of the Rhineland in 36.
