Coal, Iron, Lumber, and Petroleum.
Coal was used as a source of fuel and energy.
Conservation Movement
Obama
Coal and iron.
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the purchase of Alaska from Russia
The purchase of Alaska from Russia by William Seward expanded the United States' supply of Natural Resources.
It has many natural resources.
Coal, rubber, cotton,
No. He gave strong support to saving natural resources.
It provide resources for companies such as Mr. Mario and his plastic
Pine Trees