Quarian

Quarians were a force sensitive near Twi'lek species. Every Quarian was force sensitive but only 1 of 5 Quarians were strong enough to be trained as a jedi. After their planets surface was destroyed their society turned from hunting to mining because many species were killed and many metals and crystals were found. from 201 ABY till 211 ABY the Quarians were enslaved by the empire who used them to mine metal for their spaceships. the cause of leaving was unknown.

Government
Before the force wars on Quary the Quarian people lived in small groups and hunted for food. Only a few small villages existed and one city were the leaders of the clans would come together to discuss about all sorts of problems. the leaders would stay about a week and than return to their clan. about once in 10 years the leaders would come for a special meeting were they would chose a wise leader for the planet and 5 senators to represent the Quarian people in the Urum senate.

But when the surface was destroyed the system was too. their was no leader and for a 1.000 years it was survival of the fittest. but in 28.500 BBY the people started to work together again and built the first spaceport since a long time. 500 years later some explorers discovered an enormous crystal cave. This gave the people hope again and they soon started to build the first mine which provided them with safe houses, weapons, town-walls and best of all leadership and rules.

5 years after the first mine wad built a new leader was chosen and from then on every 10 years a new leader was chosen and 5 senators to represent the Quarians in the senate.