Answer:
John D. Rockefeller.
Explanation:
The other options were also among the richest men in the United States but, in the case of Andrew Carnegie, he made his fortune with the Steel industry. While J. P. Morgan was a financier.
John D. Rockefeller started the Standard Oil company in 1870 on Ohio and the corporation grew to be one of the most important monopolies of the entire history until the United States Supreme Court regulated the monopolies on a case against Standard Oil in 1911.
I hope this answer helps you.
Answer:
How did the Great Depression affect the economy?
How did the Great Depression affect the American economy? In the United States, where the Depression was generally worst, industrial production between 1929 and 1933 fell by nearly 47 percent, gross domestic product (GDP) declined by 30 percent, and unemployment reached more than 20 percent. The Great Depression had devastating effects in countries both rich and poor. Personal income, tax revenue, profits, and prices dropped, while international trade plunged by more than 50%. Unemployment in the U.S. rose to 25% and in some countries as high as 33%. The key factor in turning national economic difficulties into worldwide Depression seems to have been a lack of international coordination as most governments and financial institutions turned inwards. ... The Depression caused the United States to retreat further into its post-World War I isolationism.
Explanation:
During the second industrial revolution, both steel and iron became one of the most important in the world
Akbar is the correct answer!
