Originally Posted by
Musthavename
Defensiveness, the bonus that Defensive gives, increases the time it takes for your forts to get sieged (on average). So yeah, if you've got a large Empire vulnerable to rebels, Defensive is a better slider to go than Offensive. On the flip side, Offensive gives generals additional shock which is far better than siege (because if your general is sitting on a siege, you're wasting him). So take whichever you want, but in the grand scheme it's not one of the big clinchers.