I changed the behavior so the declare war can be both "alocate ... wait for troops ... declare war automatically when border full"... this is working well no?
there was a bug with some empires in the data model. those greyed outs should be fixed if you save and load the game with a new version I released just now.
algo got the full cards back as an option.
the age of stone requirements were expanded a lot. did you got there already?