orders for administration, liquidation or liquidation, or similar orders or procedures. (x) This Agreement and any other document proving the obligations shall be in force, effective or cancelled at all times after performance and delivery and for any reason (except those attributable to their terms or to the lender); the legality, validity, obligation or enforceability of this Agreement and any other document proving the obligations or any provision or provision thereof shall be contested by the borrower or any other party. . . .