The election of Barack Obama
The Gold Rush caused the population to increase enormously in a small span of time.
They had a whole lot of sex and different baby daddies and mama's
The high production of new technology and the rising popularity of huge cities caused the population boom.
The existing central American population
Increase in population = increase in demand for vehicles = increase in vehicles = increase in vehicular pollution
the gold rush caused a rapid increase in the population after 1851.
Partly natural population increase, but mainly large-scale immigration.
Ireland's Famine was caused mainly by Blight and a sudden increase in Population
when two producers have babys
Immigration has been a way for many people to enter America for hundreds of years. In the 1860's there was a major increase in the population of the Chinese who came into the country. A need for laborers in farming and the budding railroad industry led to this increase.
The natural increase in the population in Nigeria was caused by lack of family planning methods awareness. This is associated to the poverty levels that face Nigeria.
Having a food surplus in the New Stone Age allowed for population growth, as more people could be supported by the excess food. This surplus also enabled the development of more complex societies, as it freed up individuals from constant food production, allowing for specialization in other areas such as art, trade, and technology.
The development of a merchant class.
Cause now a days kids are having kids
Increase of population and trade
The increased use of African slave labor.