irredentism
Expansionism – Consists of policies of states that involve territorial or economic expansion Lebensraum – German "living space" ideas of settler colonialism (1890s–1940s) Separatism – Advocacy for separation from a larger group Secession – Formal withdrawal of a group from a political entity Phyletism – Heresy of ethnic church divisions Reactionary – Political view advocating return to a previous societal state Rump state – Reduced territory of a once-larger state Territorial dispute – Disagreement over the possession or control of land between countries or their subdivisions