Liberal philosoper John Stuart Mill argued which of the following in his book "On Liberty" in 1859?
a)the law of supply and demand was essential to the increase in capital amongst people in free countries
b)societies should make all laws around the guiding principle of the "greatest good for the greatest number of people"
c)the duty of government is protect private property
d)societies should make all laws around the guiding principle of the "general will"

