Answer:
The leaders in the South wanted the states to make most of their own laws. In the North, people wanted a stronger national government that would make the same laws for all the states. ... The North was more industrialized and much of the North had made slavery illegal.
Explanation:
they had opposing views as to whether or not slavery should be legal in the west.
China instituted a one-child policy in 1979 because the government recognized that the population in the country is rapidly growing. The One Child Policy is their only solution to decrease the population growth in order to avoid getting stuck in more social and economical problems in the future brought by overpopulation.