Answer:
Washington was a key proponent of African-American businesses and one of the founders of the National Negro Business League. His base was the Tuskegee Institute, a historically black college he founded in Tuskegee, Alabama.
An important difference between Edison‘s inventions and those dire industrial technologies after the civil war was Edison's early inventions did not favour mass production of goods.
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The emergence of urgency for new industrial technologies resulted in the invention of many crucial machines and devices. These technologically advanced machines proved beneficial in undertaking mass production of commodities.
The early inventions of Thomas Alva Edison were not relevant to the contemporary need of the industry as the inventions were that of the phonograph and the incandescent bulb.
St. Petersburg, which is Russia's second largest urban area, was founded in 1703 by the czar Peter the Great. In 1914, the German sounding name was changed to Petrograd. Then, after the death of Vladimir Lenin in 1924, the Soviet Union changed the city's name to Leningrad. Leningrad became St. Petersburg again 67 years later when the Soviet Union collapsed in 1991.<span>
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