Some genocides involve Ethnic cleansing though not all Ethnic cleansings are genocides. Some events are debated on whether they constitute Ethnic cleansing or genocide. Ethnic cleansing are not technically genocide unless there is an expressed intent to destroy in whole or in part the ethnic groups that is being expelled, though some may argue land is heavily tied to national identity and thus separating an ethnic group from its' historical home land may constitute a type of cultural genocide.