48 U.S.C. § 352
“In the exercise of its authority and responsibility under this Compact, the Government of the United States shall accord due respect to the authority and responsibility of the Government of Palau under this Compact and to the responsibility of the Government of Palau to assure the well-being of Palau and its people. The Government of the United States and the Government of Palau agree that the authority and responsibility of the United States set forth in this Title are exercised for the mutual security and benefit of Palau and the United States, and that any attack on Palau would constitute a threat to the peace and security of the entire region and a danger to the United States. In the event of such an attack, or threat thereof, the Government of the United States would take action to meet the danger to the United States and Palau in accordance with its constitutional processes.