The people of eastern Asia's main food source is rice. This means they are reliant on it, for not only businesses such as restaurants, but also at home. Poor families rely on rice as their main food because it is more filling and in abundance. If the price of rice goes up it causes a huge influx in costs for living and it affects everyone.
"Europeans had advanced farming methods, tools, and more powerful weapons."This shows that when a certain population overpowers an existing population in a terrain/land the assailant has powerful technology than the latter. We appreciate your questions. Please, never hesitate to ask more in Brainly your queries.
Answer: people use it for trade
The correct answer among all the other choices is B. The government has banned further development of the region. This statement about the Amazon River basin is not accurate. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.