Good Attempt, some design flaws though
It is generally not possible on hard mode, mainly because about half of your "turns" actually take 2 turns (when events/attacks happen). It is necessary to upgrade to the next "age" to increase max buildings, but you can get stuck if you don't balance out your resource types. It's nearly worthless to focus resources on creating soldiers, and far easier to repair the damage done after the first age. It seemed as though the number of workers wasn't being checked as a build requirement.