Final answer:
The history of crime in America has witnessed changes in the American criminal justice system, including fluctuations in crime rates, efforts to improve law enforcement equity, and a rise in prison and jail populations.
Step-by-step explanation:
In the history of crime in America, there have been several significant changes in the American criminal justice system. One important point in the timeline is the increase in crime rates and incarceration throughout most of the twentieth century, followed by a recent drop in both. Another important change is the ongoing effort to address the issue of inequitable law enforcement in American communities. Lastly, since the 1980s, there has been a significant increase in the prison and jail populations in the United States. These changes have shaped the development of the American criminal justice system over time.