Answer:
b. A reliable food production and distribution system
Explanation:
The Tang and Song Empires were successful at creating increased food production. Irrigation systems were responsible for more growing areas and particularly helped produced more rice. The empires also manipulated the landscape to create more land to farm. Terrace systems within the land also increased the amount of land that could be farmed at any one time. Cotton, tea, and rice became the most produced crops making money for the empires.
Port-au-Prince is the capital of Haiti. With its estimated 2012 population of 942,194, it is also Haiti's largest city.
Answer:
The spread of iron-age farming was a crucial development in the history of ancient India as it led to the rebirth of urban civilization in the subcontinent. Cities grew up; trade expanded; metal currency appeared, and an alphabetical script came into use.
Explanation: