Bi Sheng's movable type changed how ancient China printed its documents, making printing more efficient and easier. Instead of carving an entire book into one huge block, characters are carved into small clay blocks.
Answer:
The ANNALS of the American Academy of Political and Social Science ... Cultural and Social Factors Influencing Mortality Levels in Developing Countries ... John C. Caldwell , “Routes to Low Mortality in Poor Countries,” Population and ... United Nations , Socio-Economic Differentials in Child Mortality in Developing
Explanation:
C. maintenance
The woman is keeping her body in shape for her and her baby's health.
The fall of the Zhou dynasty began a period referred to as c) Warring States period. The Warring states period consisted of essentially seven states engaging in war with each other. The Zhou Dynasty lasted longer than any other Chinese dynasty, but the power of the dynasty lasted for a shorter period of time than their reign.