#72: Rome: Total War Alexander historical battles do not unlock

Solved!
On Windows Vista and Windows 7, I am unable to unlock all historical battles for Rome: Total War, Alexander. The Battle of Chaeronea is the only one available, and even though I have won it on Medium difficulty, the next battle in the sequence does not unlock...

#68: Modding Rome: Total War descr_regions.txt has no effect

Solved!
After making some changes to descr_region.txt in the $RTW/world/maps/campaign/base directory, I started a new Imperial Campaign to see my changes. I did not see any of my changes reflected in the new campaign.