How would anarcho capitalism solve this?

https://www.facebook.com/share/v/1BS3Y49j2o/

Private cities or privatized nation can do just fine. VOC do that. Of course it benefits VOC shareholders instead of the people. But if we have other balancing such as having the people as shareholders or the nation’s are small enough people can shop around people will do just fine.

How would ancap handle national defense against invasion?