The mining industry is soaring due to all of the willing prisoners.
EE and EHMU soldiers kill themselves before they will be subjected to be slaves. No slaves are taken.
The remaining EE and EHMU soldiers wait in Masona's capitol as protection should a riot break out.
On a similar note, if we are going to pursue gunpowder, we might as well focus on jumping straight to the Renaissance age. There appears to also be no "collapse of the Roman Empire" event in proportion to cause the Dark Ages.