What is their main source of income? 
 Sure, I was happy to share some details about Cook Islanders and their close relationship to New Zealand. 
 I don't know the head of state there, but I can say that while islands are self-governing with New Zealand responsible for foreign affairs as part of the 'free association' relationship. 
 Speaking of defense, do you have any information about their politics and foreign relations? 
 Since 1980, the Cook Islands have been an active member of the Pacific Community.
Since 1980, the Cook Islands have been an active member of the Pacific Community.