The author's argument in the highlighted sentence would be most weakened if which one of the following were true? A. The specific provisions of government contracts often contain explicit statements of what all parties to the contracts already agree are inherent state powers. B. Governments are more frequently put in the position of having to modify or terminate contracts than are private individuals. C. Modification clauses in economic development agreements have frequently been challenged in international tribunals by foreign investors who were a party to such agreements. D. The general principles of law provide that modification clauses cannot allow the terms of a contract to be modified in such a way that the financial balance of the contract is affected. E. Termination and modification agreements are often interpreted differently by national courts than they are by international tribunals.