China instituted a one child policy in 1979 because the government recognized that China's population was growing at an economically unsustainable rate, however this law was highly controversial.
B. Northwest ordinance of 1787
The colonists protested the Stamp Act because they were being taxed without representation in Parliament. They had no say in the taxes that they had to pay, which lead to much anger and conflict among the colonies. They didn’t understand why they still had to pay taxes if they were no longer living in Britain or being represented as part of Britain’s government.
In the early 1800s, the impresario system was responsible for :
granted the right to settle on land in exchange for recruiting and taking responsibilities for new settlers
hope this helps