The gold standard is a monetary system where a country's currency or paper money has a value directly linked to gold. With the gold standard, countries agreed to convert paper money into a fixed amount of gold. A country that uses the gold standard sets a fixed price for gold and buys and sells gold at that price.
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The use of non-renewable resources such as coal which was cheaper, which was used to mine iron
Joseph Stalin is the communist dictator who gained control of the Soviet Union in 1926
Oil. it is a finite resource
The answer is A) it gained better building materials from the steel industry, because in the second industrial revolution, the invention of steel provided a strong, easy-to-produce material. Railroads were rapidly expanding, and were using up lots of resources to be built. Steel production started to help the railroad system, since it became one of the major materials used for construction of railroad tracks.