The European intellectual movement called the enlightenment.
Explanation:
In 500 years, their agricultural skills became increasingly efficient through the use of irrigation and iron farming tools. Eventually, their farms provided more food than needed by the community, encouraging farmers to trade crops such as millet and rice, for other goods
Trade barriers come in many forms. Quota is one. This is when a country sets a limit to the imported products. This is done for a number of reasons. One is because the government of the importing country wants to protect its domestic manufacturers. Other barriers or limitations are added costs such as tariffs, duties, and taxes.