Economists have frequently hypothesized that industrialization and its correlates played a major role in inducing fertility decline in the United States after 1850. ... This leaves changes in the cost of raising children as the likely driver of the industrialization result.
Answer:
It is not known exactly when Confucius began his teaching career, but it does not appear to have been much before the age of thirty. In 518 B.C.E.
Confucius is known as the first teacher in China who wanted to make education broadly available and who was instrumental in establishing the art of teaching as a vocation. He also established ethical, moral, and social standards that formed the basis of a way of life known as Confucianism.
Explanation:
B. Because after that the people knew there was something wrong
