The correct answer is inequality.
Thomas Malthus was an English minister and researcher, powerful in the fields of political economy and demography. Malthus himself utilized just his center name, Robert. In his 1798 book An Essay on the Principle of Population, Malthus watched that an expansion in a country's nourishment creation enhanced the prosperity of the people, however the change was brief since it prompted populace development, which thus reestablished the first per capita generation level. At the end of the day, humankind had a penchant to use plenitude for populace development as opposed to for keeping up an exclusive requirement of living.