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Japan expanded into areas of China and Indochina which had no strategic value to her , but put her in a position to threaten British and Dutch possessions in the area ; possessions that both those Allied nations needed in order to continue their fight against Hitler .
 attack: fight
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: declare bankruptcy, transfer ownership, marry, die, phone write, arrest jail, convict, sue, transfer money, end organization, start organization, end position, merge organization, start position, transport, charge indict, elect, attack, injure, born, extradite, release parole, sentence, demonstrate, meet, trial hearing, divorce, nominate, fine, appeal, pardon, execute, acquit 
Text: {0} 
Answer:
 attack: fight