The correct answer is: D) American farms and factories raised production levels.
Countries were able to buy US goods as a result of the economic stimulation of Europe which caused US farms and factories to ramp up production.
Mountains, storms, (heavy rain, snow), temperature (too hot, too cold) and big bodies of water such as lakes and oceans.
The Spindletop oilfield, discovered on a salt dome formation south of Beaumont in eastern Jefferson County on January 10, 1901, marked the birth of the modern petroleum industry. The Gladys City Oil, Gas, and Manufacturing Company, formed in August 1892 by George W. O'Brien, George W.
Africa has already been known as the continent who had so many struggles for years now. Most of these problems still remained unsolved until now. Among those listed above, the problems that Africa has been facing include all except for the demand for the exports of the continent that exceeds supply. The answer is the third option.