act of war

Noun

 * 1)  An action that would justify the initiation of hostilities against the perpetrator; an action that by its nature comprises a cessation of peace.
 * 2)  An action taken by military forces as part of a war.

Translations

 * Chinese:
 * Mandarin: 戰爭行為
 * Danish: krigshandling
 * Finnish:
 * French: acte de guerre
 * Latin: casus belli
 * Portuguese: ato de guerra
 * Spanish:
 * Swedish: krigshandling