If it gets bad enough they can do something about. Give them 60 days to leave the country and after that, whether they were able to leave or not, put a $1,000 bounty on each one dead or alive and let authorized bounty hunters hunt them down. After a 100,000 were killed or hung, those remaining would do everything possible to leave the country.
No license to carry a pistol in Germany = ni@@er crimewave against White Germans. This shit is not going on in the Czech Republic (license to carry in effect).
With the exception of Whites, the rule among the peoples of the world, whether residing in their homelands or settled in Western democracies, is ethnocentrism and moral particularism: they stick together and good means what is good for their ethnic group." -Alex Kurtagic