They had longed for a rear base for a long time, but unfortunately, due to their special nature, their many attempts had failed. The vast majority of countries and regions could never accept or allow them to build their base in their homeland no matter what it was.
Therefore, even though they had a scale of tens of thousands of people, they still had to scatter their soldiers all over the place. If they were expelled from one place, they had to immediately move to the next place to settle down