Evolutionary Because I know it
Explanation:
Fertility, mortality and migration are principal determinants of population growth. Population change depends on the natural increase changes seen in birth rates and the change seen in migration. Changes in population size can be predicted based on changes in fertility (births), mortality (deaths) and migration rates.
The answer is feedback from a peer, coach, or teacher
A factory requires workers. When a new factory opens, they need to hire a full staff, so many jobs are created.
I believe at the time, St. Petersburg was founded in order to replace Moscow, which had been destroyed at the time.