The first one is because they make the laws
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.
Answer:
Broad expanse of flat land west of the Mississippi River and east of the Rocky Mountains in the United States and Canada