B.
Locke and Rousseau believed that monarchies were the only stable forms of government.
It is A, because it was only the Soviet and USA. Hope it helps!
Answer:
The Silk Road and the Great Wall of China represent different approaches and goals of the Chinese foreign policy.
The Silk Road is expansionary foreign policy: its goal is to increase communications and trade with other countries, from the Mediterranean, to Iran, to Tibet.
The Great of Wall of China has the opposite goal: to keep foreign invaders from entering the Chinese hinterland.