XGM isn't a big deal to reinstall, but anyway, to change the morale settings you need to find the file 'preferences' in the folder rtw/xgm/preferences. About the fifth line should be morale, just change the 'FALSE' to 'TRUE' and you are good to go.
Veni, Vidi, well... you know.
Extended Cultures, A modification of RTW.
Si hoc legere posses, Latinam linguam scis.
ɪf ju kæn ɹid ðɪs, ju noʊ liŋgwɪstɪks.