<span>the best option is B
the development of more efficient agriculture
The emergence of efficient forms of agriculture especially in Mesopotamia, led to emergence of early city states as food was produced in surplus to feed the town population. it also led to division of labor. this form of agriculture also contributed to sedentary lifestyle and improved nutrition thus explosive population that contributed to city establishments.
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Answer: North-eastern Africa + Near East. A space between Egypt and Mesopotamia. First civilizations were born there, it was there were (probably) agricultural revolution started, where first writing were invented. The first civilized people we are able to identify there are Sumerians and pre-Sumerians (in spite of that we do not know many things about them).
Explanation: territories of today´s Egypt, Izrael, Palestine, Lebanon, Syria, Jordania, Iraq and partly Turkey.
Answer:
Silk cloth was extremely valuable in Ancient China. Wearing silk was an important status symbol. At first, only members of the royal family were allowed to wear silk. Later, silk clothing was restricted to only the noble class. Merchants and peasants were not allowed to wear silk. Silk was even used as money during some Ancient Chinese dynasties.
Keeping Silk a Secret
Silk became a prized export for the Chinese. Nobles and kings of foreign lands desired silk and would pay high prices for the cloth. The emperors of China wanted to keep the process for making silk a secret. Anyone caught telling the secret or taking silkworms out of China was put to death.
Explanation:
Answer:
gps, autopilot, and engines
Explanation: