Answer:
B. economic growth
when an area doesn't have enough money the society falls
Tariff reduction is the the reduction of taxes on an item being shipped to another country. The answer is the last one. Birth and death rate directly causes population growth or decline. Migration can help people thrive in an environment which means more population. I hope this helps!
Answer:
BECAUSE WE DONT KNOW!!!!!!!!!!!!!!!!
Explanation:
china is your answer B)china hope this helps