How did the economy of china change during the zhou empire? a. china’s economy contracted as nomads from the north raided villages and threatened cities. b. china’s economy expanded as farmers using iron tools were able to grow more food. c. china’s economy was threatened by huang river floods, resulting in widespread famine. d. china’s economy stalled as battles among warlords disrupted planting and destroyed crops.

I believe the answer is: B.China's economy expanded as far as using iron tools were able to grow more food

The devlopment of iron tools allow chinese citizens to increase the production in their agricultural sectors. This strengthen their position in the trades with people from European nations. Over time, this expanded china's economy and increase the prosperity level among its people.

george calvert wanted maryland to be a colony where could live safely. because georgia's founders wanted a colony of small farms rather than large plantations, they originally banned under british law in the 1700s, people who owed money could be