sdds: Too many possible combinations/answers.
Eg Germany etc could be Fascistic regimes in 1930s
England etc Commonwealth nations (3 years, 8 months ago)
Sibilant Susan: This is too ambiguous. The group with England could also be cricketing nations for example. There are too many ways to correctly organise those into groups of four. (5 years, 1 month ago)
Shippers50: Soory I found this one a bit tiresome! (8 years ago)
Sammie: Brilliant grid, extremely challenging!
(8 years, 2 months ago)
Cauldron: Fiendish but great fun! (8 years, 2 months ago)