revanchism
noun/rɪˈvæntʃɪzəm/, /rɪˈvænʃɪzəm/
/rɪˈvæntʃɪzəm/, /rɪˈvænʃɪzəm/
[uncountable]- a policy of attacking somebody who has attacked you, especially by a country in order to get back land
（尤指国家为收复失地的）复仇主义 Word Origin1950s: from French revanche, ‘revenge’ + -ism. The form revanchist dates from the 1920s.