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https://www.enotes.com/homework-help/how-was-wilsons-foreign-policy-different-from-372997
Answer: C, petitioning the state legislature to change a law
Explanation: A and D are obligations and B is not a responsibility nor a obligation
They wanted a strategic naval advantage. Plus, I think they controlled all the food and supplies going in and out of the fort.
I think they prepared bombs and any other deadly equipment.