Required if the population density be greater pressure on livelihoods will also be excessively heavy. There will not be enough food to go round, and high prices of food grains will keep disadvantaged on the verge of starvation . Thus, here too, if food production is not enough activated , it will have serious consequences for the national economy as a whole is considered . If no preventive measures were not taken to check population growth, positive tests , in the form of famine or war will take place. Law Malthusion ruled that population increases much faster than the means of subsistence is doing. Finally comes a time when population growth must be checked if people are adequately nourished . Malthusian law may have been valid at the time of the Industrial Revolution , when there was a large-scale migration of agricultural workers in the mines and factories in search of higher paying jobs , and in the colony in search of fortune. With the assistance of an excellent knowledge of science, man has mastered the threat of famine and pestilence , and war may soon be a thing of the past with the nuclear threat as a deterrent. The application of science in agriculture increased food production to such an extent that could not be dreamed of Malthus. Today, in developed countries, increasing livelihood HA6 outstripped population growth. Two factors, however, still requiring some threat to the population growth. First, most of the family has a negative impact on the level of life, as limited income; per capita expenditures will necessarily less. But this can be compensated to ensure state activities, which gives benefits according to income.
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