This type of crime tends to increase in periods of prosperity and to decrease during periods of depression.

Juvenile delinquency

Explanation:

Juvenile deliquency is defined as a type of crime done by someone who is underaged - commonly below 18 years old in the United States. This type of crime is usually not treated as criminal cases, but are instead categorized as civil cases - thus the risk of going to prison because of crimes that fall under this category are far lower.

Of course, the severity of the crime is also considered when deciding the treatment of a criminal act - nonviolent crimes such as underage smoking, drinking, stealing, and vandalism may warrant a lesser sentence than violent crimes.

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.

the values of the selma marchers was to bring   their ability to vote into law. mlk was not hat march, which was protesting toward lbj