Currently? probably overpopulation
Answer:
His emphasis on equality had widespread appeal.
Explanation:
Adam Smith advocated a capitalist economy in which people could freely pursue their own self-interest with government repression. But, in pursuit of self-interest led to oppression and greed, that's when the government should intervene with their invisible hand. Smith was truly an economic genius.
Does this help? :)
They created paper and a new outlook on life