Answer:
It betters the economy of a nation.
Explanation:
Chinese and Islamic nations value trade because trade improves economy of a country. The goods produced in one country is sold to another country in exchange of currency which increases the foreign reserves of that country and will be able to buy their necessities from other countries. Those country who export many products to the world has great economy so that's why Chinese and Islamic nations give importance to trade.
Answer: This behaviour is an example of DEINDIVIDUATION.
Explanation: Deindividuation is a loosening of self-restraint when anonymous in a large crowd.
This behaviour makes an individual see himself as a crowd instead of an entity. This makes the individual do whatever the large crowd is involved in.