The effects of Zhou metal workers mastering iron were…
Option A: during the Zhou dynasty, China was characterized by warfare, political and military reforms, but it was first unified during the Qin dynasty.
Option B: it is true that with the introduction of iron, China acquired stronger and more effective farm tools as well as increasing crop yield.
Option C: during the Zhou dynasty China not only developed iron technology but also improved technology of war making better weapons by means of smelted iron. As a result, iron weapons spread to the masses, contributing to the Warring States period.
Option D: it is also true that the Zhou jealously guarded the secret of smelting the iron and created a trading empire. The iron production encouraged trade and improved the empire economy.
Option E: Zhou craftsman are known for their iron art and it is still sold today. During the Zhou period, the craftsmanship had great importance for his skills for producing sophisticated iron weaponry.
Option F: Iron helped the Zhou rulers so much that they reserved the Mandate of Heaven for themselves alone. It was a period of cultural and intellectual expansion during Zhou era and the iron helped rulers keep the control of the land
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Okay, well there is many reasons but rome wanted to have multiple people to rule not just 1 or 2.... Monarchy never works so thats why in 509 BC Rome switched into a republic. Then they switched back in 27 BC to dictatorship....
According to the tabula rasa principle, children who are taught the right ethical principles will grow up to be good individuals, while those who are taught the wrong ones will be bad.
What is Tabula Rasa?
A human being is born with no preexisting mental content, according to the epistemological theory of tabula rasa, and all of our knowledge comes from our experiences and our senses. In general, proponents of the tabula rasa study believe that intelligence, social, emotional conduct, and personality traits are more influenced by "nurture" than by "nature."
The theory of a tabula rasa, made popular by John Locke, holds that the human mind acquires knowledge and shapes itself solely through experience, with no innate beliefs to act as a foundation. One type of tabula rasa is the chance to start over with no past, history, or preconceived notions.
To know more about tabula rasa refer:
brainly.com/question/3901448
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People tried to abide by them and then realized how imperfect we all are, and they realized that we need salvation.
Answer
D..............................