Irredentism

[Agemegos]

Definitions of "irredentist" and "irredentism" are easily found in an on-line dictionary

irredentist (plural irredentists)

1. Someone who calls for the seizure or recovery of territories or states currently subject to other countries; an adherent of irredentism.

irredentism (usually uncountable, plural irredentisms)

1. A nationalistic doctrine advocating the annexation of foreign lands with historic or ethnic links.