The first wave is fairly aggressive, and takes Belgium easily, however they send no other armies after the first one which is quite unfortunate. The CAI is still very passive
The BAI is an entirely different matter, just fought a desperate defense for Belgium as the french against a german 40 unit stack (their first and last attacking force unfortunately), suffered horrific casualties due to the AI's messy, but effective leapfrog tactics up to my trenches. Great work work with that!