<span>According to Carnegie, the duty of the man of wealth is to set an example of modest and unpretentious living, and abstaining from a display of luxury where they provide service by distributing their surplus wealth to the benefit of the community.</span>
D is the answer. All of the other events took place on or during 1968
Without food people became malnourished therefore a decrease of population due to famine so no births and productivity since people were too weak to work.
