Answer:
The branch of science and technology concerned with the properties of metals and their production and purification.
Explanation:
The main reason why we know more about Hammurabi's Code than other early forms of law is because Hammurabi's Code was the first (or at least one of the first) codes of law to be permanently inscribed on stone instead of issued on paper or through word of mouth.
Rapid economic growth generated vast wealth during the Gilded Age.
New products and technologies improved middle-class quality of life.
Industrial workers and farmers didn't share in the new prosperity, working long hours in dangerous conditions for low pay.
Gilded Age politicians were largely corrupt and ineffective.
Most Americans during the Gilded Age wanted political and social reforms, but they disagreed strongly on what kind of reform.
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The Britain's did not know the land that well so the Americans had and advantage