Final answer:
Homicides have decreased while total crime and prison rates have increased over a seventy-five year period, based on data from the United States.
Step-by-step explanation:
The best summary of the data presented in the graphic regarding crime trends in the United States is that homicides have decreased over the seventy-five year period, but total crime and prison rates have increased over the same period. This conclusion aligns with several sources indicating that violent crime rates, including homicides, have been on the decline since the early 1990s. Despite these decreases, the number of inmates in prisons has risen, particularly due to long-term imprisonment policies of the 1980s and 1990s. It is also noted that there is not a significant correlation between high incarceration rates and declining crime rates. Moreover, falling crime rates have been observed internationally, thereby reducing the argument that mass incarceration is the sole effective strategy for crime prevention.