Answer:
If income of the people increases, the demand for Ground Beef will decrease. This is so because ground beef is one of the cheapest cuts of meat that exist in the meat market, given its relative low quality and the impossibility of its use in a large number of meals.
Therefore, if the population's income increases, consumption will shift towards higher quality cuts of meat, which logically have a higher price, such as ribs.
I don't know what the original empire was, so I don't know what the "others" are, but here some examples:
- the Aztec empire. Contribution: the cultivation of cocoa plant
-the Roman Empire. Contribution: roads, aqueducts, spread of latin script
- Islamic Empire. Contribution: maintenance of ancient Greek knowledge in their libraries and contributions to medical knowledge
Kiddo
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