The Kazon shook of the Trabe only 50 years before they met Voyager.
3 generations?
Garrisoning and colonizing planets takes babies.
Even if they could displace trillions of people who are slightly less advanced than the Kazon, what are the Kazon going to do with living room for 10s of trillions, of Kazon when there might be only a few million in total, if they are a completely space faring race who do not bother with planets, and all of them fit uncomfortably into less than a hundred broke down falling apart City Ships.
3 generations?
Garrisoning and colonizing planets takes babies.
Even if they could displace trillions of people who are slightly less advanced than the Kazon, what are the Kazon going to do with living room for 10s of trillions, of Kazon when there might be only a few million in total, if they are a completely space faring race who do not bother with planets, and all of them fit uncomfortably into less than a hundred broke down falling apart City Ships.