The Great Wall of China is the longest building on earth with a length of 13,170 miles. Made from a combination of brick, stone, wood and other materials, it was originally constructed primarily to serve as a defence against the nomadic invasions from the north that threatened Chinese states / empires.
I have been to China and have been to the great wall and etc. SO i am a expert so ya
Well they became farmers because there weren't enough crops.
Answer:
Market economies utilize private ownership of the means of production and voluntary exchanges/contracts. In a command economy, governments own the factors of production such as land, capital, and resources. In reality, all economies blend aspects of the two.
Explanation: