The correct option is D. By the year 1900, The United States was the first in the world in industrial productivity.
After the Civil War, the U.S. economy expanded quickly thanks to amazing increases in income, wages, production, business mergers, and lax government regulation. Along with enterprises' need for investment money and the advancement of new technology, the volume of stocks traded increased significantly.
In terms of manufacturing output, the United States had surpassed Britain by 1900, accounting for 24% of global production. Both Russia and Japan were forced to abolish their feudal systems and participate in the industrializing world after 1870 as a result of losing wars.
Thus, The right answer is D. The United States had the highest industrial productivity in the entire world by the year 1900.
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