Carrying capacity is the theoretical maximum rate of population growth. It is the maximum population size that the environment can sustain. This means that it is the maximum number of individuals of given species that the evironment's resources can sustain. It is the population size that can have enough water, food, habitat and other resources in order to survive and live.
Answer: In the United States, our borders are not yet fully guarded and the Mexicans or other cartel groups smuggle slaves into America and cause the increase in crime and death.