Did British and American planning for war with Japan help produce similar screening cruisers?
Short answerTo an extent. Both navies were responding to Japanese tactics and a similar operational problem, encouraging parallel screening-cruiser concepts.
NotesBritish and American planning for war with Japan addressed a similar operational problem. Japanese tactics made a screening cruiser attractive to both navies. That shared threat could encourage parallel designs even without one navy copying the other's ships. The comparison places Dido and Atlanta within the war plans that helped shape their roles.