Depends on what perspectives you have. Before Germany took Sudetenland, Czechoslovakia had chance to defend. https://en.wikipedia.org/wiki/Czechoslovak_border_

Depends on what perspectives you have. Before Germany took Sudetenland, Czechoslovakia had chance to defend. https://en.wikipedia.org/wiki/Czechoslovak_border_fortifications https://en.wikipedia.org/wiki/Czechoslovak_border_fortificat...