The two ideas of total war was used because the countries against each other where angry with each other and It was one of the deadliest conflicts in history and precipitated major political change, including the Revolutions of 1917–1923 in many of the nations involved. Unresolved rivalries at the end of the conflict contributed to the start of the Second World War twenty-one years later. They wanted to end conflict. The second reason was that each country wanted more power. It was a "war to end all wars" But it never ended all wars since World War II Came around the corner twenty-one years later.
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~Hope this helps
metallurgy is your answer
The "study of metals and the process of refining (them)...."
Note that it says metal. Metallurgy has the word "Metal" in it, and so is most likely your answer (and is your answer).
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Answer:
The market will provide for people's needs with goods that individuals can sell at a fair price in
their own best interests.
