Petroleum (oil) was first discovered in North Dakota in 1951 and greatly increased North Dakota's wealth.
Both systems greatly increased Europeans' total wealth.
Both systems greatly increased Europeans' total wealth.
Both systems greatly increased Europeans' total wealth.
Both systems greatly increased Europeans' total wealth.
Both systems greatly increased Europeans' total wealth.
(Apex) Both systems greatly increased Europeans' total wealth.
Both systems greatly increased European's total wealth. Hope this helped!
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Mining
They owed their wealth of gold to those who provided them with salt, what mineral they lacked most.
mineral is found below the earth while forest is above the earth
the mining industry