; (B) the authorization, ratification, confirmation, and execution of the Compact under section 4 shall no longer be effective; (C) any action carried out by the Secretary, and any contract or agreement entered into, pursuant to this Act shall be void; (D) any unexpended Federal funds appropriated or made available to carry out the activities authorized by this Act, together with any interest earned on those funds, and any water rights or contracts to use water and title to other property acquired or constructed with Federal funds appropriated or made available to carry out the activities authorized by this Act shall be returned to the Federal Government, unless otherwise agreed to by the Fort Belknap Indian Community and the United States and approved by Congress; and (E) except for Federal funds used to acquire or construct property that is returned to the Federal Government under subparagraph (D), the United States shall be entitled to offset any Federal funds made available to carry out this Act that were expended or withdrawn, or any funds made available to carry out this Act from other Federal authorized sources, together with any interest accrued on those funds, against any claims against the United States— (i) relating to— (I) water rights in the State asserted by— (aa) the Fort Belknap Indian Community; or (bb) any user of the Tribal water rights; or (II) any other matter described in subsection (a)(3)