An American citizen is doing business in Egypt when Egypt passes a law that American citizens cannot do business in Egypt. The United States will

a. sue Egypt on behalf of its citizen because other countries cannot interfere with a person’s right to do business.
b. not sue Egypt on behalf of its citizen because other countries can interfere with a person’s right to do business.
c. sue Egypt on behalf of its citizen because other countries cannot interfere with the constitutional rights of an American citizen.
d. not sue Egypt on behalf of its citizen because only individuals, not nations, may proceed with lawsuits.