It can be inferred from the passage that under the "ordinary law of contracts", a government would have the right to modify unilaterally the terms of a contract that it had entered into with a foreign investor if which one of the following were true? A. The government undertook a greater economic risk by entering into the contract than did the foreign investor. B. The cost to the foreign investor of abiding by the terms of the contract exceeded the original estimates of such costs. C. The modification of the contract did not result in any increased financial burden for the investor. D. Both the government and the investor had agreed to abide by the general principles of law recognized by civilized nations. E. The contract contains a specific provision allowing the government to modify the contract.