If my memory serves me well, about 88 percent of earth’s history is within the expanse of time before the phanerozoic era, which is called the <span>Precambrian </span>.
The Great Depression effects were not yet overturned when 10 years later the World War II was beginning in Europe. The people in the United States felt they needed a strong leadership. The concept of "Imperial Presidency" is therefore tied to F.D. Roosevelt, who created the New Deal Programs. The helpful programs originated a strong federal bureaucracy , with him on top.
In a command economy, the government decides what is produced so the answer is b. Government
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The US believed that they should focus on themselves more and less on the world, and to not meddle with other countries affairs, and so they pursued a policy of isolationism
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