Development of permanent settlements, they were hunters and gatherers before which made them travel often
In the logistic population growth model, the per capita rate of increases approaches zero as the carrying capacity is reached.
Carrying capacity will be defined as a species' average population size during a particular habitat. The species population size is proscribed by environmental factors like adequate food, shelter, water, and mates. If these needs don't seem to be met, the population will decrease until the resource rebounds.
Carrying capacity, or the most number of people that an environment can sustain over time without destroying or degrading the environment, is set by some key factors: food availability, water, and space.
For example; Many scientists think Earth includes a maximum carrying capacity of 9 billion to 10 billion people.
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This gave america more culture such as jazz in the south and more people came to america which mean't more jobs, which mean't more currency for america. Hope i helped!
