I do not support Nationalistic Movements that seeks to engage in Genocide of people.
Mass Deportations / Exile is acceptable to a degree if the individuals deported have not assimilated to the culture, and do not respect the traditions, laws, and language of that country.
Killing people simply on the basis of Race, Religion, Nationality, etc. is bad but if they committed horrendous crimes like mass murder, or multiple rapes & were fairly tried then they should receive the death penalty.
People who don't integrate into society should be locked up.