WORLD HISTORY

Detailed explanation-1: -With industrialization, improvements in medical knowledge and public health, together with a more regular food supply, bring about a drastic reduction in the death rate but no corresponding decline in the birth rate. The result is a population explosion, as experienced in 19th-century Europe.

Detailed explanation-2: -The agricultural revolution is the name given to a number of cultural transformations that initially allowed humans to change from a hunting and gathering subsistence to one of agriculture and animal domestications.

Detailed explanation-3: -For many years the agricultural revolution in England was thought to have occurred because of three major changes: the selective breeding of livestock; the removal of common property rights to land; and new systems of cropping, involving turnips and clover.

Detailed explanation-4: -Fertility rates. Population growth is highly dependent on trends in fertility rates. Increase in longevity. International migration. Increase in climate change. Decreased food security. Impact on biodiversity loss. Overexploitation of resources.