Which of the following events did not occur as a result of the treaty signed at the end of the anglo-chinese wars?
a. china was forced to pay reparations to britain.
b. britain gained control of hong kong.
c. additional seaports were opened to international trade.
d. the sale of opium was made illegal.

The tower commission, appointed by president reagan in 1987 to investigate how the iran-contra affair had happened, concluded that most of the blame lay with a. president reagan himself, for careless management of his subordinates b. congress, for poorly drawn legislation that failed to define carefully the role of the president's national security council c. the american people, for failing to pay attention to the conduct of international affairs d. the federal courts, for having allowed excessive power to flow to the executive branch