In so-called "post-conflict" situations, there has traditionally been an emphasis in the international community to seek to return to the pre-war status-quo. However, opinions are gradually changing, because violent conflict destroys political, economic and social structures and new structures develop as a result, quite often irreversibly. Furthermore, returning to the pre-war status-quo may actually be undesirable if pre-war structures led to the conflict in the first place, or prevented its early resolution. IDPs' and refugees' right of return can represent one of the most complex aspects of this issue.