Answer:
i think b) is correct answerr
Aztecs irrigated and reclaimed swampland so that they could farm.
<u>Explanation</u>:
Aztec refers to people of Central Mexico speaking Nahuatl. The Aztecs were known for introducing irrigation, agriculture and cultivating the land. These people involved in draining swamps and creating artificial islands in the lakes. The artificial island is used for farming.
Aztecs were involved in building pyramids and temples. They learned irrigation to change their habits. Farming became their major occupation. Hieroglyphic writing was introduced by Aztecs. Complex calendar system was implemented and used by Aztecs.
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.
