The Mandalorian Wars saw one of its final conflicts in the liberation of the planet Taris. The armies of the Republic successfully wrested control of Taris from the Mandalorian occupiers, and subsequently advanced further into the Outer Rim to strike at the heart of Mandalorian power.
What's more, the Republic expelled the criminal organization known as the Exchange from Taris, at least for a time, thereby liberating slaves held captive by both the Exchange and the Mandalorians. Revan himself performed the act of freeing a young Cathar named Juhani. This demonstration of compassion and honor played a key role in Juhani's decision to pursue training as a Jedi Knight.