[119] On top of that, Etcheson has also proven that as a result of the systematic and mass killings which were based on political affiliations, ethnicity, religion, and citizenship, a third of Cambodia's population perished, so the Khmer Rouge is effectively guilty of committing genocide. [...
The principal grounds for acquiring citizenship (apart from international transactions such as transfer of territory or option) are birth within a certain territory, descent from a citizen parent, marriage to a citizen, and naturalization. There are two main systems used to determine citizenship as ...