Well, could be one of This following reasons
- the steel and iron production requires a source of carbon to mix the ore, which could be acquired from coal
-The company need a source of heat to melt the iron and steel, which they acquire from coal
- Coal is the fuel for Blast Furnace in the steel industry
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I think it was the Umayyed dynasty and I think it was middle east. If I am wrong so srry but u can look on google. Good luck on whatever u have!
Answer: Basically the Treaty of France (signed in 1783 after the Revolutionary War) made peace with Great Britain, France, Spain, and the Netherlands.