The Chinampas were man made
Italian city-states like Venice and Genoa were located on the trade routes that linked the rest of western Europe with the East. Both these city-states became bustling trading centers. ... The increase of trade led to a new kind of economy. During the middle ages people traded goods for other goods.
I would go with the Answer A. just because I would assume the lower class women would do ANYTHING to get a way of making money.
It was largely the Industrial Revolution that led to the growth of factories in England in the eighteenth century, since this was a time when the production of things like textiles was heavily increased.