Why is adam smith an important historical figure

Adam Smith was an 18th-century Scottish economist, philosopher, and author, and is considered the father of modern economics. Smith’s ideas–the importance of free markets, assembly-line production methods, and gross domestic product (GDP)–formed the basis for theories of classical economics.

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for hobos it was a very hard time most hid on the sides of the railroad tracks causing people to get bulls and get them off sometimes causing in fatal death they couldnt get people to give them money because the   people were also in need of money

i think that the right answer is the aztecs