Wen the plates bump into each other, ac earthquake occurs
The answer is: "delta" .
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I assume that the question refers to the political affiliation of the Islands (They are Islands in the Mariana Trench, in the Pacific Ocean, south of Japan) - they are politically linked to the US - the correct answer is a). For example the Mariana islands have a commonwealth status within the US.
The form of government would be Federalism
