Original sentence: Some people believe that this part of nation-building is difficult, but essential; examples of the consequences of failure can be seen in Haiti, Afghanistan, Somalia, and other nations around the world.They believe that lack of a civil society generally leads to anarchy or back to dictatorship, viewing either as a failure of nation building that could produce a threat to international security
Edited sentence: Lack of a civil society generally leads to anarchy or back to dictatorship, either of which would be intolerable for a nation's citizens and could conceivably be a threat to global national security.This is part of nation-building that is perhaps most difficult; examples of the consequences of failure can be seen in Haiti, Afghanistan, Somalia, and other nations around the world