The answer is increase. Many people in the town of Oldenburg moved to find jobs in other cities. This led to a population decrease and an increase in the demand for food. Most of those who left the town of Oldenburg were farmers who seek more opportunities in other areas such as America.
The major limitation would be: not all children have the same opportunity to display a particular behavior in everyday life
Natural observation aimed to find certain explanation for social occurence by observing their behavior in their natural environment.
This method of course couldn't be done if certain group do not possess the freedom to act like other members because of their special circumtances (for example, poor children may expected to obtain part-time job on earlier age)
It is important to study social sciences because they are about what it means to be human. When we better understand ourselves, we can better understand how the world works. Once we understand that, we are able to identify root causes of society's problems and find more effective solutions.
Encourage private ownership Profit motives and promote competition and monopoly regulate companies sell food and regulate pollution