Answer :
The high fertility rate on that continent during that period
mathematically produced a monotonically increasing population.
Although I'd hardly call a period of 150 years a "spike" .
mathematically produced a monotonically increasing population.
Although I'd hardly call a period of 150 years a "spike" .
The period during which Europe developed and developed a civilization and a great Renaissance era was at the same time and at all levels also increase in the rate of reproduction or fertility